Translation of "swear" - English-Mandarin Chinese dictionary

swear

verb [ I or T ] (PROMISE) 允诺 uk us /sweər/ US  /swer/ (swore, sworn)

to state or promise that you are telling the truth or that you will do something or behave in a particular way

发(誓);宣(誓)
I don't know anything about what happened, I swear (it). 我发誓我对所发生的事一无所知。
[ + (that) ] You might find it difficult to believe, but I swear (that) the guy just came up to me and gave me the money. 你可能觉得这难以置信,但我发誓,那个人确实走过来把这些钱给了我。
informal She swore blind (= promised definitely) (that) she didn't know what had happened to the money. 她信誓旦旦地说她不知道钱哪儿去了。
[ + to infinitive ] New gang members must swear to obey the gang leaders at all times. 新的帮会成员必须发誓在任何时候都服从帮会头目。
In some countries, witnesses in court have to swear on the Bible. 在有些国家,出庭证人必须手按《圣经》宣誓。
I swore an oath to tell the truth, the whole truth and nothing but the truth. 我发誓我说的都是实情,绝无半点谎言。
A few of us knew what was going to happen, but we were sworn to secrecy (= we were made to promise that we would keep it a secret). 我们有几个人知道将要发生什么事,但我们已经发过誓要对此保密。
I think his birthday is on the 5th, but I wouldn't/couldn't swear to it (= I am not completely certain about it). 我想他的生日是5号,但我并不完全肯定。

(Translation of “swear verb (PROMISE)” from the Cambridge English-Chinese (Simplified) Dictionary © Cambridge University Press)