我听见门外有声音。

Wǒ tīngjiàn ménwài yǒu shēngyīn.

I heard a sound outside the door.

我听见他们在唱歌。

Wǒ tīngjiàn tāmen zài chànggē.

I heard them singing.

我没听见他在说什么。

Wǒ méi tīngjiàn tā zài shuō shénme.

I didn’t hear what he was saying.