他把房间打扫干净了。

Tā bǎ fángjiān dǎsǎo gānjìng le.

He cleaned the room.

她正忙着打扫房子呢。

Tā zhèng mángzhe dǎsǎo fángzi ne.

She is busy cleaning the house.

你的房间怎么那么乱? 请打扫干净。

Nǐde fángjiān zěnme nàme luàn? Qǐng dǎsǎo gānjìng.

Why is your room such a mess? Please clean it up.