1 [T] prove sth (to sb) to use facts and evidence to show that sth is true 证明；证实: It will be difficult to prove that she was lying. 要证明她在说谎会很困难。She tried to prove her innocence to the court. 她试图向法庭证明自己无罪。He felt he needed to prove a point (= show other people that he was right). 他觉得自己有必要向别人证明自己是对的。 ☞noun proof 名词为proof

2 linking verb to show a particular quality over a period of time （一段时间内）显示某种特性，证明是，原来是: The job proved more difficult than we'd expected. 这份工作证明比我们预期的要难。

3 [T] prove yourself (to sb) to show other people how good you are at doing sth and/or that you are capable of doing sth 显示自己能干或有能力: He constantly feels that he has to prove himself to others. 他经常觉得自己非向别人露一手不可。