一会儿之前他打过电话来。

He telephoned a little while ago.

youdao

在她让我等一会儿之前，“原件”理由她已经用了四遍了。

She had used that excuse more than 4 times before she let me wait for a second.

youdao

在我点菜之前我能多看一会儿价格吗？

Can I look at the prices for a few more minutes before I order?

youdao

And I'm going to pause for a minute, before I run it, and ask each of you to compute in your head what you think the answer should be.

我将暂停一会儿，在我运行之前，我想问问你们你们,心算得出的答案应该是什么。

麻省理工公开课 - 计算机科学及编程导论课程节选