我的蚊虫叮咬处很痒。

Wǒ de wénchóng dīngyǎo chù hěn yǎng.

The mosquito bites on me are very itchy.

头皮痒可能是头皮屑的原因。

Tóupí yǎng kěnéng shì tóupíxiè de yuányīn.

Itchy scalp may be due to dandruff.

小狗在墙角挠痒痒。

Xiǎogǒu zài qiángjiǎo náoyǎngyǎng.

The puppy is scratching an itch in the corner.