throw a punch, swing one's fist
我一挥拳，就被他刺伤
As soon as I threw a punch, he stabbed me.
— 神秘河 (2003)
可要真的朝他狠狠挥拳，我还是得克服一番心理障碍。
But actually throwing a hard punch at him would still take some overcoming of my inhibitions.