vt.
    
      - 祝賀;恭禧[(+on/upon)]
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I 
congratulate you on your great discovery.
我祝賀你的偉大發現。
I want to 
congratulate you with all my heart.
我衷心地祝賀你。
 
      - (後接oneself)自我慶幸[(+on)]
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He 
congratulated himself on having survived the air-crash.
他慶幸自己在空難中倖免於死。
 
    
   
  片語
  
    congratulate sb. on/upon sth.
    
      - 為某事向某人祝賀
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Let me 
congratulate you on having passed the examination.
我祝賀你考試通過。
 
    
   
  衍生
  
    n.
    congratulator
    a.
    congratulatory
   
  辨析
  
 
  v.
 express pleasure at the happiness or good fortune of. 
▸praise for an achievement.
 ▸
(congratulate oneself)
 feel pride or satisfaction.
 
  Derivative
  
    - congratulator n.
  - congratulatory adj.
 
   
  Etymology
  C16 (earlier (ME) as congratulation): from L. congratulat-, congratulari ‘congratulate’, from con- ‘with’ + gratulari ‘show joy’ (from gratus ‘pleasing’).