凉快

涼快

liángkuai

adjective HSK 2 #11,134

Meanings

快 here is a suffix adding a pleasant nuance, not 'fast'

Jīntiān hěn liángkuai.

It's pleasantly cool today.

Qiūtiān de shíhou tiānqì liángkuai.

The weather is nice and cool in autumn.

Jìnlái ba, wū lǐ liángkuai.

Come in, it's cool inside.

usage

凉快 always implies a comfortable, pleasant coolness—used positively, especially in hot weather.

凉 liáng

快 kuài