MDBG Mobile Chinese English Dictionary (iPhone, Android, Windows Phone)

浓厚	nóng hòu	dense / thick (fog, clouds etc) / to have a strong interest in / deep / fully saturated (color)
弥漫	mí màn	to pervade / to fill the air / diffuse / everywhere present / about to inundate (water) / permeated by (smoke) / filled with (dust) / to saturate (the air with fog, smoke etc)
雾	wù	fog / mist / CL:场,阵
迷雾	mí wù	dense fog / fig. completely misleading
大雾	dà wù	thick fog
雾气	wù qì	fog / mist / vapor
浓雾	nóng wù	thick fog
雾灯	wù dēng	fog lights (of a motor vehicle)
沆	hàng	a ferry / fog / flowing
雾里看花	wù lǐ kàn huā	lit. to look at flowers in the fog (idiom); fig. blurred vision
吞云吐雾	tūn yún tǔ wù	to swallow clouds and blow out fog (idiom) / to blow cigarette or opium smoke
弥天	mí tiān	filling the entire sky / covering everything (of fog, crime, disaster etc)
弥蒙	mí méng	impenetrable thick fog or smoke
雾幔	wù màn	fog / mist
堕云雾中	duò yún wù zhōng	lit. to become lost in a fog (idiom) / fig. at a complete loss
如堕五里雾中	rú duò wǔ lǐ wù zhōng	as if lost in a thick fog (idiom) / in a fog / muddled / completely unfamiliar with sth
甚浓	shèn nóng	strong (smell) / thick (fog)