shadow boxing

Noun

uncountable

(boxing) The action of practicing moves where the opponent is the boxer's own shadow.

Japanese Meaning

自身の影を相手にしてボクシングの動作を練習する行為

After work he went to the old gym and spent an hour doing shadow boxing to work out his timing.

仕事の後、彼は古いジムに行き、自分の影を相手にボクシングの動きを1時間練習してタイミングを磨いた。

Sense（1）

(boxing) The action of practicing moves where the opponent is the boxer's own shadow.