プログレッシブ和英中辞典(第4版)の解説
へんぽう【返報】
❶〔返礼〕(a) repayment; (a) return
返報する repay; return
彼の親切には十分の返報をしたい
I would like to repay [return] his kindness in full.
❷〔仕返し〕revenge; retaliation
返報する retaliate ((against))；take revenge ((on))；get even with ((a person for))
意地悪の返報に彼の秘密をばらしてやった
I exposed his secret to get back at him for his unkindness.
この返報はしてやるぞ
You will pay for this.