华盛顿先前一再坚持，德黑兰必须停止浓缩铀项目，这是双方面对面会谈的先决条件。

Previously, Washington had insisted that Teheran stop its uranium enrichment program as a precondition to face-to-face talks.

youdao

睡觉前停止饮用液体，看看自己能否坚持不用醒来上厕所。

Stop drinking before sleep, and see if you stop waking up to urinate.

youdao

坚持是一种勇气：商业中的压力是永远不会停止的。

It takes courage to persist: Business pressures never stop.

youdao

So that's very sad, that part of his art was very very sad. But I still, I feel pathetic as I say in the last pages or so, but I never lost admire of his fortitude in going on and doing as much as he did.

这太令人伤感了,他的艺术也是很伤感的，我在书里最后几页表示了对他的同情，但是我,从来没有停止崇敬他,坚持不懈地做了这么多的精神。

麻省理工公开课 - 电影哲学课程节选