他讲述了沦为阶下囚的4个月中生存的种种不易。

He described the difficulties of surviving for four months as a captive.

《柯林斯英汉双解大词典》

给他们找个台阶下吧。

Give them an out.

《新英汉大辞典》

他把父亲捕抓将其置于牢狱的阶下。

He arrested his father and put him in prison cell.

youdao

Normally, I will give you a function and tell you to take any number of derivatives.

通常情况下,我会给你一个函数,然后让你求任意阶的导数

耶鲁公开课 - 基础物理课程节选

These are the things that we do best and where we have advanced course work available in these three categories and so I'm going to emphasize these three but we'll talk about all of these subjects as we go through the course.

这是我们做的最好的三个方向,在这三个方向下我们开设有高阶的课程,因此我会重点讲这三个方向,但随着课程的进行,所有的主题我们都会讲到

耶鲁公开课 - 生物医学工程探索课程节选

To make this a first order condition, I'm going to say "at the best response," put a hat over the 1.

为了达到一阶条件,我说在最佳对策下,在S1上写个帽

耶鲁公开课 - 博弈论课程节选