1. Expression：ease up

Explanation：To reduce the pressure or urgency placed on a person, thing, action, or situation. （缓和，放松，减轻）

Example： Would you ease up already? I know I messed up the account and I don't need you berating me for it further.

你能放松一下吗？我知道我把帐目搞砸了，我不需要你再为此责备我。

Ease up on Samantha, she's under a lot of pressure at home.

给Samantha放松一下吧，她在家里压力很大。

He gave me a prescription and advised me to ease up on work.

他给我开了药方，劝我减轻工作。

The situation should ease up now that the two sides are prepared to talk.

既然双方准备会谈，局势就应该缓和了。

2. Expression：let up

Explanation：To reduce the pressure or demands on someone or something, or to become less forceful. （减轻对某人的压力，减轻对某事的要求，宽容）

Example：I know we've been hard on Erin but I feel like she'll go back to her old ways if we let up on her now.

我知道我们对Erin很严厉，但我觉得如果我们对他宽容一些，她会故伎重施。

You had better let up on Tom. He can't handle any more work.

你们最好对Tom宽容一些，他不能再做更多的事情了。

It' s time for your father to let up on his work a bit for he' s getting old.

你父亲年事渐高，该减轻一些工作量了。

Explanation 2：To stop. （停止）

Example：We worked the whole night and never let up until all the wheat on the ground was threshed.

我们干了一个通宵，直到场上所有的麦子全部脱好粒才住手。

Only toward sunset the voice would let up.

只有临近黄昏的时候，那声音才会平息下来。

The snow that had let up during the afternoon was falling again.

下午才停住的雪又下了起来。

Explanation 3：To become less forceful. （减轻，减弱）

Example：The wind blew hard all night but let up at daybreak.

整个晚上风刮很厉害，但到破晓时风势减弱了。

Mr. Sanders decided to start because the rain let up.

因为雨势变小，德丝先生决定出发。