shad·ow-box
verb/ˈʃædəʊ bɒks/
/ˈʃædəʊ bɑːks/
[intransitive]Verb Forms
| present simple I / you / we / they shadow-box | /ˈʃædəʊ bɒks/ /ˈʃædəʊ bɑːks/ |
| he / she / it shadow-boxes | /ˈʃædəʊ bɒksɪz/ /ˈʃædəʊ bɑːksɪz/ |
| past simple shadow-boxed | /ˈʃædəʊ bɒkst/ /ˈʃædəʊ bɑːkst/ |
| past participle shadow-boxed | /ˈʃædəʊ bɒkst/ /ˈʃædəʊ bɑːkst/ |
| -ing form shadow-boxing | /ˈʃædəʊ bɒksɪŋ/ /ˈʃædəʊ bɑːksɪŋ/ |
- to box with an imaginary opponent, especially for physical exercise or in order to train
（尤指训练时与假想对手）做空拳攻防练习