反空降

anti-aircraft defense

contrary / in reverse / inside out or upside down / to reverse / to return / to oppose / opposite / against / anti- / to rebel / to use analogy / instead / abbr. for 反切[fan3 qie4] phonetic system

empty / air / sky / in vain

to empty / vacant / unoccupied / space / leisure / free time

to drop from the sky / (fig.) to appear out of nowhere / (attributive) airborne

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

to surrender / to capitulate / to subdue / to tame