而一个拳击手则会试图避免预备动作以防对手看出破绽。

A boxer tries to avoid anticipation when throwing a jab.

youdao

那么这常常表现在角色作用在该物体上时有更大的预备动作。

This is often demonstrated by increasing anticipation. Likewise, it requires more force to slow, stop or reverse the direction of a heavier object.

youdao

过量的预备动作会使你的肌肉疲劳，同时会给你太多的时间去思考动作以外的琐事。

Excessive bouncing will tire your muscles and give you too much time to "think" yourself out of the move.

youdao