请不要把太重的东西压在书上。

Qǐng bú yào bǎ tài zhòng de dōngxi yā zài shū shàng.

Please don't press anything too heavy on the books.

箱子太满了，你帮我压一下盖子好吗？

Xiāngzi tài mǎn le, nǐ bāng wǒ yā yíxià gàizi hǎo ma?

The suitcase is too full; can you help me press down the lid?

这么多事情压在他一个人身上，他当然会累。

Zhème duō shìqing yā zài tā yí gè rén shēnshang, tā dāngrán huì lèi.

So many tasks are weighing on him alone; of course he will be tired.