有雾。
Yǒu wù
There is fog.
Simple
今天大雾,开车要小心。
Jīn tiān dà wù, kāi chē yào xiǎo xīn
Today heavy fog, driving need to be careful.
小心 = careful
大雾弥漫,伸手不见五指!
Dà wù mí màn, shēn shǒu bù jiàn wǔ zhǐ!
Heavy fog pervading, extend hand can't see five fingers!
伸手不见五指 = can't see your hand in front of your face, classic Chinese idiom
More Chinese (Mandarin) Weather Phrases