起毛

wǒ de máo yī qǐ máo le

我的毛衣起毛了。

My sweater is pilling.

hǎi jūn ní róng yì qǐ máo

海军呢容易起毛。

Navy cloth pills easily.

gǎi shàn qǐ máo

改善起毛

improve the fuzzing

wǒ yī tīng tā lái jiù qǐ máo

我一听他来就起毛。

I couldn't help feeling nervous when I learned that he was coming.

gǒu qǐ máo le

狗起毛了。

The dog bristled up.