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

冒汗	mào hàn	to sweat
出汗	chū hàn	to perspire / to sweat
汗	hàn	perspiration / sweat / CL:滴,头,身 / to be speechless (out of helplessness, embarrassment etc) (Internet slang used as an interjection)
苦练	kǔ liàn	to train hard / to practice diligently / hard work / blood, sweat, and tears
虚汗	xū hàn	(TCM) sweating due to physical weakness
呕心沥血	ǒu xīn lì xuè	lit. to spit out one's heart and spill blood (idiom) / to work one's heart out / blood, sweat and tears
汗如雨下	hàn rú yǔ xià	sweating like rain (idiom); to perspire profusely / sweating like a pig
流汗	liú hàn	to sweat
汗流浃背	hàn liú jiā bèi	to sweat profusely (idiom) / drenched in sweat
挥汗如雨	huī hàn rú yǔ	to drip with sweat / sweat poured off (him)
捏一把汗	niē yī bǎ hàn	to break out into a cold sweat (idiom)
捏一把冷汗	niē yī bǎ lěng hàn	to break out into a cold sweat (idiom)
飙汗	biāo hàn	to sweat profusely
汗牛充栋	hàn niú chōng dòng	lit. enough books to make a pack-ox sweat or to fill a house to the rafters (idiom); fig. many books
发汗	fā hàn	to sweat
挥汗	huī hàn	to sweat profusely
落汗	lào hàn	to stop sweating / (mahjong and card games) to mark the tiles or cards with one's sweat, fragrance etc
溻	tā	(of clothes) to be soaked with sweat
排泄	pái xiè	to drain (factory waste etc) / to excrete (urine, sweat etc)
挥汗成雨	huī hàn chéng yǔ	to drip with sweat / sweat poured off (him)