冬天要穿厚衣服，不然会感冒的。

Dōngtiān yào chuān hòu yīfu, bùrán huì gǎnmào de.

In winter you need to wear thick clothes, otherwise you'll catch a cold.

这本书太厚了，我看了一个月还没看完。

Zhè běn shū tài hòu le, wǒ kàn le yí ge yuè hái méi kàn wán.

This book is too thick; I've been reading it for a month and still haven't finished.

妈妈给我织了一条厚围巾，又暖和又好看。

Māma gěi wǒ zhī le yì tiáo hòu wéijīn, yòu nuǎnhuo yòu hǎokàn.

Mom knitted me a thick scarf — both warm and good-looking.