I'm charging you with cleaning the room before you go.

我要你负责把房间打干净再走。

You did a beautiful job of cleaning up the kitchen.

你把厨房打得真干净。

The rooms were cleaned and wallpapered.

房间打干净并壁纸。

The city has made a concerted effort to curb pollution, clean up and pedestrianize the streets, spiff up the museums, build a new airport and invest in one of Europe's better public-transit systems.

城市已经一致努力去抑制污染，街道被打干净，划分行人区，整洁博物馆，建设一个场及投资建设欧洲其中一个较好公共交通系统。