diff --git a/i18n/qgis_ko.ts b/i18n/qgis_ko.ts
index 92187491c55..2ca4811bd4b 100644
--- a/i18n/qgis_ko.ts
+++ b/i18n/qgis_ko.ts
@@ -20398,7 +20398,7 @@ Error was:%2</source>
     <message>
         <location filename="../src/ui/qgsattributetypeedit.ui" line="14"/>
         <source>Edit Widget Properties</source>
-        <translation type="unfinished"></translation>
+        <translation>위젯 속성 편집</translation>
     </message>
     <message>
         <location filename="../src/ui/qgsattributetypeedit.ui" line="43"/>
@@ -23435,7 +23435,7 @@ Please try a lower resolution or a smaller papersize</source>
     <message>
         <location filename="../src/ui/qgscomposeritemwidgetbase.ui" line="331"/>
         <source> mm</source>
-        <translation type="unfinished"> mm</translation>
+        <translation> mm</translation>
     </message>
     <message>
         <location filename="../src/ui/qgscomposeritemwidgetbase.ui" line="338"/>
@@ -23510,7 +23510,7 @@ Please try a lower resolution or a smaller papersize</source>
     <message>
         <location filename="../src/app/composer/qgscomposerlabelwidget.cpp" line="123"/>
         <source>Label color changed</source>
-        <translation type="unfinished"></translation>
+        <translation>라벨 섹상 변경됨</translation>
     </message>
     <message>
         <location filename="../src/app/composer/qgscomposerlabelwidget.cpp" line="148"/>
@@ -24787,7 +24787,7 @@ Please try a lower resolution or a smaller papersize</source>
         <location filename="../src/ui/qgscomposermapwidgetbase.ui" line="581"/>
         <location filename="../src/ui/qgscomposermapwidgetbase.ui" line="765"/>
         <source> mm</source>
-        <translation type="unfinished"> mm</translation>
+        <translation> mm</translation>
     </message>
     <message>
         <location filename="../src/ui/qgscomposermapwidgetbase.ui" line="487"/>
@@ -26139,7 +26139,7 @@ Please try a lower resolution or a smaller papersize</source>
         <location filename="../src/ui/qgscomposertablewidgetbase.ui" line="199"/>
         <location filename="../src/ui/qgscomposertablewidgetbase.ui" line="243"/>
         <source> mm</source>
-        <translation type="unfinished"> mm</translation>
+        <translation> mm</translation>
     </message>
     <message>
         <location filename="../src/ui/qgscomposertablewidgetbase.ui" line="209"/>
@@ -28499,7 +28499,7 @@ p, li { white-space: pre-wrap; }
     <message>
         <location filename="../src/ui/qgsdecorationgriddialog.ui" line="14"/>
         <source>Grid properties</source>
-        <translation type="unfinished"></translation>
+        <translation>그리드 속성</translation>
     </message>
     <message>
         <location filename="../src/ui/qgsdecorationgriddialog.ui" line="34"/>
@@ -30898,7 +30898,7 @@ Parser error:
     <message>
         <location filename="../src/ui/qgsengineconfigdialog.ui" line="297"/>
         <source>Draw text as outlines (recommended)</source>
-        <translation type="unfinished"></translation>
+        <translation>문자을 외곽선으로 그리기 (권장)</translation>
     </message>
     <message>
         <location filename="../src/ui/qgsengineconfigdialog.ui" line="248"/>
@@ -37831,7 +37831,7 @@ at line %2 column %3</source>
     <message>
         <location filename="../src/app/qgshandlebadlayers.cpp" line="86"/>
         <source>Datasource</source>
-        <translation type="unfinished">데이터소스</translation>
+        <translation>데이터소스</translation>
     </message>
     <message>
         <location filename="../src/app/qgshandlebadlayers.cpp" line="97"/>
@@ -38289,7 +38289,7 @@ This may be a problem in your network connection or at the WMS server.</source>
     <message>
         <location filename="../src/ui/qgsidentifyresultsbase.ui" line="244"/>
         <source>Select identify mode</source>
-        <translation type="unfinished"></translation>
+        <translation>객체확인 모드 선택</translation>
     </message>
     <message>
         <location filename="../src/ui/qgsidentifyresultsbase.ui" line="247"/>
@@ -38299,12 +38299,12 @@ This may be a problem in your network connection or at the WMS server.</source>
     <message>
         <location filename="../src/ui/qgsidentifyresultsbase.ui" line="270"/>
         <source>Select view mode for raster layers</source>
-        <translation type="unfinished"></translation>
+        <translation>래스터 레이어의 보기 모드 선택</translation>
     </message>
     <message>
         <location filename="../src/ui/qgsidentifyresultsbase.ui" line="273"/>
         <source>View</source>
-        <translation type="unfinished">보기</translation>
+        <translation>보기</translation>
     </message>
     <message>
         <location filename="../src/ui/qgsidentifyresultsbase.ui" line="296"/>
@@ -38384,7 +38384,7 @@ This may be a problem in your network connection or at the WMS server.</source>
     <message>
         <location filename="../src/app/qgsidentifyresultsdialog.cpp" line="304"/>
         <source>Tree</source>
-        <translation type="unfinished">트리</translation>
+        <translation>트리</translation>
     </message>
     <message>
         <location filename="../src/app/qgsidentifyresultsdialog.cpp" line="306"/>
@@ -38394,7 +38394,7 @@ This may be a problem in your network connection or at the WMS server.</source>
     <message>
         <location filename="../src/app/qgsidentifyresultsdialog.cpp" line="438"/>
         <source>feature id</source>
-        <translation type="unfinished"></translation>
+        <translation>객체 ID</translation>
     </message>
     <message>
         <location filename="../src/app/qgsidentifyresultsdialog.cpp" line="698"/>
@@ -49989,7 +49989,7 @@ PostGIS 지오메트리를 가진 테이블에 당신이 SELECT 권한이 있는
     <message>
         <location filename="../src/ui/editorwidgets/qgsphotoconfigdlgbase.ui" line="23"/>
         <source>The field contains a filename for a picture. The widget will show a preview of this picture.</source>
-        <translation type="unfinished"></translation>
+        <translation>이 필드에는 그림의 파일이름이 담겨 있습니다. 위젯이 이 그림의 미리보기를 보여줍니다.</translation>
     </message>
     <message>
         <location filename="../src/ui/editorwidgets/qgsphotoconfigdlgbase.ui" line="33"/>
@@ -57081,7 +57081,7 @@ standard deviation ×</source>
     <message>
         <location filename="../src/ui/qgsrelationadddlgbase.ui" line="14"/>
         <source>Add relation</source>
-        <translation type="unfinished">릴래이션 추가</translation>
+        <translation>릴래이션 추가</translation>
     </message>
     <message>
         <location filename="../src/ui/qgsrelationadddlgbase.ui" line="26"/>
@@ -65324,32 +65324,32 @@ Error was:%2</source>
     <message>
         <location filename="../src/providers/wfs/qgswfsprovider.cpp" line="1659"/>
         <source>empty response</source>
-        <translation type="unfinished">빈 응답</translation>
+        <translation>빈 응답</translation>
     </message>
     <message>
         <location filename="../src/providers/wfs/qgswfsprovider.cpp" line="1665"/>
         <source>WFS service exception:%1</source>
-        <translation type="unfinished">WFS 서비스 예외상황: %1</translation>
+        <translation>WFS 서비스 예외상황: %1</translation>
     </message>
     <message>
         <location filename="../src/providers/wfs/qgswfsprovider.cpp" line="1671"/>
         <source>unsuccessful service response: %1</source>
-        <translation type="unfinished">성공적이지 않은 서비스 응답: %1</translation>
+        <translation>성공적이지 않은 서비스 응답: %1</translation>
     </message>
     <message>
         <location filename="../src/providers/wfs/qgswfsprovider.cpp" line="1678"/>
         <source>WFS exception report (code=%1 text=%2)</source>
-        <translation type="unfinished">WFS 예외상황 리포트 (code=%1 text=%2)</translation>
+        <translation>WFS 예외상황 리포트 (code=%1 text=%2)</translation>
     </message>
     <message>
         <location filename="../src/providers/wfs/qgswfsprovider.cpp" line="1679"/>
         <source>missing</source>
-        <translation type="unfinished">없음</translation>
+        <translation>없음</translation>
     </message>
     <message>
         <location filename="../src/providers/wfs/qgswfsprovider.cpp" line="1685"/>
         <source>unhandled response: %1</source>
-        <translation type="unfinished">처리되지 않은 응답: %1</translation>
+        <translation>처리되지 않은 응답: %1</translation>
     </message>
     <message>
         <source>Error</source>
@@ -66683,7 +66683,7 @@ Response was:
     <message>
         <location filename="../src/ui/editorwidgets/qgswebviewconfigdlgbase.ui" line="20"/>
         <source>Field contains a filename or URL for a webpage</source>
-        <translation type="unfinished"></translation>
+        <translation>파일 이름이나 웹페이지 URL을 담는 필드</translation>
     </message>
     <message>
         <location filename="../src/ui/editorwidgets/qgswebviewconfigdlgbase.ui" line="27"/>
@@ -67820,7 +67820,7 @@ Reason phrase: %2</source>
     <message>
         <location filename="../src/ui/qgswmtsdimensionsbase.ui" line="14"/>
         <source>Select dimensions</source>
-        <translation type="unfinished"></translation>
+        <translation>차원 선택</translation>
     </message>
     <message>
         <location filename="../src/ui/qgswmtsdimensionsbase.ui" line="21"/>
@@ -77688,7 +77688,20 @@ geometry &amp;rarr; geometry
 &lt;pre&gt; contains( geomFromWKT( &apos;POLYGON((0 0 , 0 1 , 1 1 , 1 0 , 0 0 ))&apos; ) , geomFromWKT( &apos;POINT( 0.5 0.5 )&apos; ))    &amp;rarr; returns 1&lt;/pre&gt;
 &lt;pre&gt; contains( geomFromWKT( &apos;POLYGON((0 0 , 0 1 , 1 1 , 1 0 , 0 0 ))&apos; ) , geomFromWKT( &apos;LINESTRING(3 3 , 4 4 , 5 5)&apos; ))          &amp;rarr; returns 0&lt;/pre&gt;
 </source>
-        <translation type="unfinished"></translation>
+        <translation>&lt;h3&gt;contains 함수&lt;/h3&gt;
+Returns true if and only if no points of b lie in the exterior of a, and at least one point of the interior of b lies in the interior of a. 
+
+&lt;h4&gt;문법&lt;/h4&gt;
+&lt;pre&gt;contains( geometry a , geometry b)&lt;/pre&gt;
+
+&lt;h4&gt;인자&lt;/h4&gt;
+geometry &amp;rarr; geometry
+geometry &amp;rarr; geometry
+
+&lt;h4&gt;Example&lt;/h4&gt;
+&lt;pre&gt; contains( geomFromWKT( &apos;POLYGON((0 0 , 0 1 , 1 1 , 1 0 , 0 0 ))&apos; ) , geomFromWKT( &apos;POINT( 0.5 0.5 )&apos; ))    &amp;rarr; returns 1&lt;/pre&gt;
+&lt;pre&gt; 예시( geomFromWKT( &apos;POLYGON((0 0 , 0 1 , 1 1 , 1 0 , 0 0 ))&apos; ) , geomFromWKT( &apos;LINESTRING(3 3 , 4 4 , 5 5)&apos; ))          &amp;rarr; returns 0&lt;/pre&gt;
+</translation>
     </message>
     <message>
         <location filename="../src/core/qgsexpression_texts.cpp" line="950"/>
@@ -77897,7 +77910,24 @@ None
 &lt;pre&gt; $geometry IS NULL  &amp;rarr; returns 0, if your geometry is not NULL&lt;/pre&gt;
 
 </source>
-        <translation type="unfinished"></translation>
+        <translation>&lt;h3&gt;IS 연산자&lt;/h3&gt;
+Returns 1 if a is the same as b.
+
+&lt;h4&gt;문법&lt;/h4&gt;
+&lt;pre&gt;a IS b&lt;/pre&gt;
+
+&lt;h4&gt;인자&lt;/h4&gt;
+None
+
+&lt;h4&gt;예시&lt;/h4&gt;
+&lt;pre&gt; &apos;A&apos; IS &apos;A&apos;  &amp;rarr; returns 1 &lt;/pre&gt;
+&lt;pre&gt; &apos;A&apos; IS &apos;a&apos;  &amp;rarr; returns 0 &lt;/pre&gt;
+&lt;pre&gt; 4 IS 4      &amp;rarr; returns 1 &lt;/pre&gt;
+&lt;pre&gt; 4 IS 2+2    &amp;rarr; returns 1 &lt;/pre&gt;
+&lt;pre&gt; 4 IS 2      &amp;rarr; returns 0 &lt;/pre&gt;
+&lt;pre&gt; $geometry IS NULL  &amp;rarr; returns 0, if your geometry is not NULL&lt;/pre&gt;
+
+</translation>
     </message>
     <message>
         <location filename="../src/core/qgsexpression_texts.cpp" line="1365"/>