大出其汗

to sweat buckets (idiom)

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

to go out / to come out / to occur / to produce / to go beyond / to rise / to put forth / to happen / (used after a verb to indicate an outward direction or a positive result) / classifier for dramas, plays, operas etc

variant of 出[chu1] (classifier for plays or chapters of classical novels)

his / her / its / their / that / such / it (refers to sth preceding it)

see 可汗[ke4 han2], 汗國|汗国[han2 guo2]

perspiration / sweat / CL:滴[di1],頭|头[tou2],身[shen1] / to be speechless (out of helplessness, embarrassment etc) (Internet slang used as an interjection)