今天的天气真凉快。
jīntiān de tiānqì zhēn liángkuài 。
The weather is really nice and cool today.
在海边待着很凉快。
zài hǎibiān dài zháo hěn liángkuài 。
It's pleasantly cool to stay by the seaside.
这间房间夏天的时候很凉快。
zhèjiān fángjiān xiàtiān de shíhòu hěn liángkuài 。
This room is very cool in the summer.