プログレッシブ和英中辞典(第4版)の解説
あだ【×仇】
❶〔うらみのある相手〕an enemy; a foe
❷〔うらみ〕ill will; hostility
君は恩を仇で返すつもりか
Do you intend to return evil for good?
親切を仇で返された
My kindness was rewarded with 「ill will [hostility].
❸〔仕返し〕revenge
後で仇を返すつもりだ
He intends to get even later.
父の仇を討った
She avenged her father (on his enemy).／She took revenge on her father's enemy.
❹〔害〕harm
親切のつもりがかえって仇になった
What I had done with the best of intentions turned out to be harmful.