他不小心把信封拆破了。

Tā bù xiǎoxīn bǎ xìnfēng chāi pò le.

He accidentally tore open the envelope.

我们需要把家具拆开才能搬进房间。

Wǒmen xūyào bǎ jiājù chāi kāi cáinéng bān jìn fángjiān.

We need to dismantle the furniture in order to move it into the room.

他喜欢拆解机械玩具，了解它们的结构。

Tā xǐhuān chāijiě jīxiè wánjù, liǎojiě tāmen de jiégòu.

He enjoys dismantling mechanical toys to understand their structure.