1. 清扫口：阀井 valve pit | 清扫口 clean out | 消火栓 hydrant

2. 清除：clean off 扫除 | clean out 清除 | clean room 绝对无尘室

3. 清光,清理出去：classical music 古典音乐 | clean out 清光, 清理出去 | clean up 大扫除, 整理一下

4. 清除;打扫干净：Chrismas Day 圣诞节 | clean out 清除;打扫干净 | clean up (把......)打扫干净;梳理整齐;整顿;清理

1. 彻底清理(橱柜、房间、容器等);把…打扫干净
If you clean out something such as a cupboard, room, or container, you take everything out of it and clean the inside of it thoroughly.

e.g. Mr. Wall asked if I would help him clean out the bins...
沃尔先生问我能不能帮他把各个箱子彻底清理一遍。
e.g. If you are using the same pan, clean it out.
如果还用同一个平底锅，要把它清理干净。

2. 把…抢光;把…洗劫一空
If someone cleans you out, they take all the money and valuables you have. If they clean out a place, they take everything of value that is in it.

e.g. I'm sure the burglars waited until my insurance claim was through and came back to clean me out again...
我敢肯定，窃贼们一定是等着我领到了保险赔偿金，然后回来再次把我洗劫一空。
e.g. When they first captured the port, they virtually cleaned out its warehouses.
他们刚占领港口时，把那里的仓库简直抢了个精光。

verb

1. empty completely

e.g. We cleaned out all the drawers

Synonym: clear out

2. deprive completely of money or goods

e.g. The robbers cleaned us out in a couple of hours

3. force out

e.g. The new boss cleaned out the lazy workers