动词 clean up:

1. put (things or places) in order

2. make a big profit; often in a short period of time

3. dispose of

4. make oneself clean, presentable or neat

cleanadj.干净的；纯洁的；完全的；空白的；正当的；精准的adv.完全地n.清洁v.打扫；清扫；擦，刷cleaningn.打扫；清洁动词clean的现在分词.

1. Once he goes, we can clean up.
   他一走，我们就能清理
2. After the christmas dinner, we all pitch in to clean up the house.
   耶诞晚餐後，我们全都动手帮助清理房子。
3. The workmen cleaned up (the mess) before they left.
   工人们清理(杂物)後就走了。
4. When it came to cleaning up afterwards, the boys were conspicuous by their absence.
   后来轮到做卫生时,这些男孩却不在场,引起了大家的注意。