1、I'm always having to clean up after the children.
孩子們離開以后，我總得打掃一番。
2、She's always on my case about cleaning my room.
她老是對我的房間需要打掃的事指責(zé)個沒完。
3、The new mayor is determined to clean up the city.
新上任的市長決心要整治好這座城市。