他趁我不在时擅自看我的文件。

He took the liberty of reading my files while I was away.

《牛津词典》

趁我还记得，有一个从意大利打来的电话找你。

Before I forget, there was a call from Italy for you.

《牛津词典》

趁我们还有力气，跳起来吧！所以，我们必须居安思危，未雨绸缪。

Let us jump while we still have the strength! So, we must think of danger in times of safety and always be prepared for the worst.

youdao

I mean there are definitely other ways around that and by justifying, no, hang on, hang on, before you laugh at me.

我是说，一定有其他变通的办法,通过判定。。。，不对不对，等等，趁没嘲笑我前我先改正。

耶鲁公开课 - 公正课程节选