diff --git a/Source/Resources/Base.lproj/Localizable.strings b/Source/Resources/Base.lproj/Localizable.strings
index 55469beb..9fc16468 100644
--- a/Source/Resources/Base.lproj/Localizable.strings
+++ b/Source/Resources/Base.lproj/Localizable.strings
@@ -82,6 +82,7 @@
 
 // SwiftUI Preferences
 "(Shift+)Space:" = "(Shift+)Space:";
+"Allow boosting / excluding a candidate of single kanji" = "Allow boosting / excluding a candidate of single kanji";
 "An accomodation for elder computer users." = "An accomodation for elder computer users.";
 "Apple ABC (equivalent to English US)" = "Apple ABC (equivalent to English US)";
 "Apple Chewing - Dachen" = "Apple Chewing - Dachen";
diff --git a/Source/Resources/en.lproj/Localizable.strings b/Source/Resources/en.lproj/Localizable.strings
index 55469beb..9fc16468 100644
--- a/Source/Resources/en.lproj/Localizable.strings
+++ b/Source/Resources/en.lproj/Localizable.strings
@@ -82,6 +82,7 @@
 
 // SwiftUI Preferences
 "(Shift+)Space:" = "(Shift+)Space:";
+"Allow boosting / excluding a candidate of single kanji" = "Allow boosting / excluding a candidate of single kanji";
 "An accomodation for elder computer users." = "An accomodation for elder computer users.";
 "Apple ABC (equivalent to English US)" = "Apple ABC (equivalent to English US)";
 "Apple Chewing - Dachen" = "Apple Chewing - Dachen";
diff --git a/Source/Resources/ja.lproj/Localizable.strings b/Source/Resources/ja.lproj/Localizable.strings
index 1d0f6f16..0a2fd83c 100644
--- a/Source/Resources/ja.lproj/Localizable.strings
+++ b/Source/Resources/ja.lproj/Localizable.strings
@@ -82,6 +82,7 @@
 
 // SwiftUI Preferences
 "(Shift+)Space:" = "(Shift+)Space:";
+"Allow boosting / excluding a candidate of single kanji" = "即排除/即最優先にできる候補の文字数の最低限は１字とする";
 "An accomodation for elder computer users." = "年配なるユーザーのために提供した機能である。";
 "Apple ABC (equivalent to English US)" = "Apple ABC (Apple U.S. キーボードと同じ)";
 "Apple Chewing - Dachen" = "Apple 大千注音キーボード";
diff --git a/Source/Resources/zh-Hans.lproj/Localizable.strings b/Source/Resources/zh-Hans.lproj/Localizable.strings
index 89b4c435..d514925c 100644
--- a/Source/Resources/zh-Hans.lproj/Localizable.strings
+++ b/Source/Resources/zh-Hans.lproj/Localizable.strings
@@ -82,6 +82,7 @@
 
 // SwiftUI Preferences
 "(Shift+)Space:" = "(Shift+)空格键:";
+"Allow boosting / excluding a candidate of single kanji" = "将可以就地升权/排除的候选字词的最短词长设为单个汉字";
 "An accomodation for elder computer users." = "针对年长使用者的习惯而提供。";
 "Apple ABC (equivalent to English US)" = "Apple ABC (与 Apple 美规键盘等价)";
 "Apple Chewing - Dachen" = "Apple 大千注音键盘排列";
diff --git a/Source/Resources/zh-Hant.lproj/Localizable.strings b/Source/Resources/zh-Hant.lproj/Localizable.strings
index 232da7f1..95f5f1d9 100644
--- a/Source/Resources/zh-Hant.lproj/Localizable.strings
+++ b/Source/Resources/zh-Hant.lproj/Localizable.strings
@@ -82,6 +82,7 @@
 
 // SwiftUI Preferences
 "(Shift+)Space:" = "(Shift+)空格鍵:";
+"Allow boosting / excluding a candidate of single kanji" = "將可以就地升權/排除的候選字詞的最短詞長設為單個漢字";
 "An accomodation for elder computer users." = "針對年長使用者的習慣而提供。";
 "Apple ABC (equivalent to English US)" = "Apple ABC (與 Apple 美規鍵盤等價)";
 "Apple Chewing - Dachen" = "Apple 大千注音鍵盤佈局";
diff --git a/Source/UI/PrefUI/suiPrefPaneDictionary.swift b/Source/UI/PrefUI/suiPrefPaneDictionary.swift
index cb0b1bfd..660b1221 100644
--- a/Source/UI/PrefUI/suiPrefPaneDictionary.swift
+++ b/Source/UI/PrefUI/suiPrefPaneDictionary.swift
@@ -35,6 +35,8 @@ struct suiPrefPaneDictionary: View {
   @State private var selEnableCNS11643: Bool = UserDefaults.standard.bool(forKey: UserDef.kCNS11643Enabled)
   @State private var selEnableSymbolInputSupport: Bool = UserDefaults.standard.bool(
     forKey: UserDef.kSymbolInputEnabled)
+  @State private var selAllowBoostingSingleKanjiAsUserPhrase: Bool = UserDefaults.standard.bool(
+    forKey: UserDef.kAllowBoostingSingleKanjiAsUserPhrase)
   private let contentWidth: Double = {
     switch mgrPrefs.appleLanguages[0] {
       case "ja":
@@ -113,11 +115,14 @@ struct suiPrefPaneDictionary: View {
           mgrPrefs.shouldAutoReloadUserDataFiles = value
         }
         Divider()
-        Toggle(LocalizedStringKey("Enable CNS11643 Support (2022-04-27)"), isOn: $selEnableCNS11643)
-          .onChange(of: selEnableCNS11643) { value in
-            mgrPrefs.cns11643Enabled = value
-            mgrLangModel.setCNSEnabled(value)
-          }
+        Toggle(
+          LocalizedStringKey("Enable CNS11643 Support (2022-04-27)"),
+          isOn: $selEnableCNS11643
+        )
+        .onChange(of: selEnableCNS11643) { value in
+          mgrPrefs.cns11643Enabled = value
+          mgrLangModel.setCNSEnabled(value)
+        }
         Toggle(
           LocalizedStringKey("Enable symbol input support (incl. certain emoji symbols)"),
           isOn: $selEnableSymbolInputSupport
@@ -126,6 +131,13 @@ struct suiPrefPaneDictionary: View {
           mgrPrefs.symbolInputEnabled = value
           mgrLangModel.setSymbolEnabled(value)
         }
+        Toggle(
+          LocalizedStringKey("Allow boosting / excluding a candidate of single kanji"),
+          isOn: $selAllowBoostingSingleKanjiAsUserPhrase
+        )
+        .onChange(of: selAllowBoostingSingleKanjiAsUserPhrase) { value in
+          mgrPrefs.allowBoostingSingleKanjiAsUserPhrase = value
+        }
       }
     }
   }