我的脖子受伤了。

Wǒ de bózi shòushāng le.

My neck was injured.

我的脖子很疼。

Wǒ de bózi hěn téng.

My neck is really painful.

她脖子上戴着一条名贵项链。

Tā bózi shàng dài zhe yì tiáo míngguì xiàngliàn.

She is wearing a precious necklace on her neck.