1、calm down

(使)平静下来;(使)镇定下来

Calm down for a minute and listen to me.

你安静一会儿,听我说。

I'll try a herbal remedy to calm him down.

我来用草药试试,看能不能让他镇静下来。

(使)平定;平息

We will go back to normal when things calm down.

事态平息之后,我们将一切如常。

Neil Howorth, director of the academy, tried to calm things down.

研究院主任尼尔·豪沃思力图平息事态。

2、clean up

打扫;清扫;把…弄干净

Police in the city have been cleaning up the debris left by a day of violent confrontation.

该市警察一直在清理一天的暴力冲突后留下的碎石残砖。

Nina and Mary were in the kitchen, cleaning up after dinner.

吃过晚饭，尼娜和玛丽在厨房里收拾。

(警方或当局)肃清，整肃(犯罪、腐败等)

After years of neglect and decline the city was cleaning itself up.

多年的玩忽职守和经济萧条过后，这个城市在进行自我整顿。

Since then, the authorities have tried to clean up the sport.

从那以后，有关当局已努力整顿体育界。

（尤指在干脏活后）收拾干净，弄整洁

Johnny, go inside and get cleaned up.

约翰尼，进去把自己收拾干净。

I cleaned myself up a bit, and got the baby ready.

我拾掇了一下自己，把宝宝也收拾妥当。