如果他在我回来以前到来，请让他等一下。

I case he arrives before I get back, please ask him to wait.

youdao

助理：请耐心等一下，他在开一个重要会议，大概十分钟后过来。

Assistant: Just sit tight, please. He is having an important meeting and will come in about ten minutes.

youdao

请不要挂线，等一下。

Please hold on for a moment.

youdao

Those questions-- hang on one second-- are ones that especially interest Plato.

这些问题,请等一下,这些是柏拉图特别感兴趣的问题

耶鲁公开课 - 死亡课程节选