昼伏夜出

nocturnal / to hide by day and come out at night

daytime

surname Fu

to lean over / to fall (go down) / to hide (in ambush) / to conceal oneself / to lie low / hottest days of summer / to submit / to concede defeat / to overcome / to subdue / volt

variant of 夜[ye4]

night

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)