shadowbox /ˈʃædoʊˌbɑːks/ verb shadowboxes; shadowboxed; shadowboxing
shadowboxes; shadowboxed; shadowboxing
Learner's definition of SHADOWBOX
[no object]
: to box with an imaginary opponent as a form of training(拳击练习时)与假想的对手打斗,打空拳
— shadowboxing
noun [noncount]