降龙伏虎

to vanquish dragons and tigers (idiom)

to drop / to fall / to come down / to descend

to surrender / to capitulate / to subdue / to tame

surname Long

dragon / CL:條|条[tiao2] / imperial

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

to subdue a tiger / fig. to prevail over sinister forces

tiger / CL:隻|只[zhi1]