プログレッシブ英和中辞典(第5版)の解説
con・grat・u・la・tion
/kənɡrtʃuléiʃən/
a matter worthy of congratulation
慶事
offer [extend] a person one's congratulations on his [her] success
人の成功にお祝いの言葉を言う
Congratulations! You have won the lottery.
おめでとう.宝くじが当たりました
Congratulations on your promotion.
昇進おめでとう