我们应该保持房间整洁。

Wǒmen yīnggāi bǎochí fángjiān zhěngjié.

We should keep the room tidy.

老师希望大家在讨论中保持安静。

Lǎoshī xīwàng dàjiā zài tǎolùn zhōng bǎochí ānjìng.

The teacher hopes everyone can remain quiet during the discussion.