vouch for

柯林斯詞典

1. PHRASAL VERB If you say that you can or will vouch for someone, you mean that you can guarantee their good behaviour. 爲(wèi)…擔(dān)保
Kim's mother agreed to vouch for Maria and get her a job. 金的母親同意爲(wèi)瑪麗亞擔(dān)保，好讓她找到一份工作。
2. PHRASAL VERB If you say that you can vouch for something, you mean that you have evidence from your own personal experience that it is true or correct. 証明
He cannot vouch for the accuracy of the story. 他不能証明報(bào)道的準(zhǔn)確性。