Would you please wait for a minute?

请等一会儿好吗？

Wait for a minute, twenty yuan totally.

请稍等。一共需要二十块钱。

"Please wait for a minute," she called down.

“请稍等片刻。”她朝下面叫道。

You'd better sit down and wait for a minute.

你最好坐下等一会儿再走。

It also means later or to wait for a minute in spoken language.

另一个用于口语中表示稍等一会儿或过一段时间以后。