拳

例句：

1. 1. He swung his right fist at the opponent.
   他挥舞右拳攻击对手。
2. 2. The boxer was knocked down by a powerful punch.
   这位拳击手被一记重拳打倒。
3. 3.She delivered a strong punch to her opponent's chin.
   她用力击打对手的下巴。