我的鼻子好痒。

Wǒ de bízi hǎo yǎng.

My nose is itchy.

他不断用纸巾擦鼻子。

Tā bùduàn yòng zhǐjīn cā bízi.

He constantly uses a tissue to wipe his nose.

他有一个大鼻子。

Tā yǒu yí gè dà bízi.

He has a big nose.