"he drank to drown his sorrows" "he wrote a note expressing his regret" "to his rue, the error cost him the game"
"I regret I can't come to the party"
"I regret to say that you did not gain admission to Harvard"
Frantic with regret Of her he loves.
A face..less bright than usual, from regret at appearing so late.
Don't..think that I have the slightest regret.
At times my life seems nothing but a series of regrets, of wrong turnings.
I regret the speaking rivers I have known.
牛津高階第八版
美國韋氏詞典
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維基百科 (自由的百科全書)