Subject + (好) + 干
干 (gān) is an adjective or verb meaning "dry." It is used to describe something that lacks moisture or liquid. In casual speech, it often appears with 好 to emphasize the degree, as in 好干 (really dry).
今天风太大了,嘴唇都干了。
Jīntiān fēng tài dà le, zuǐchún dōu gān le.
The wind is too strong today; my lips are all dry.
衣服洗完以后放在外面很快就干了。
Yīfu xǐ wán yǐhòu fàng zài wàimiàn hěn kuài jiù gān le.
After washing, the clothes dry very quickly when hung outside.
这块蛋糕放了太久,吃起来好干。
Zhè kuài dàngāo fàng le tài jiǔ, chī qǐlái hǎo gān.
This piece of cake has been sitting too long; it tastes really dry.