fists 

英汉解释

n. 拳头（fist的复数形式）；拳套
v. 紧握；用拳头打（fist的第三人称单数）

同义词

n. clenched fist

参考例句

1. The boy clenched his fists in anger.
那男孩愤怒地握紧了拳头。
2. The boxer thumped his opponent with his fists .
那个拳击选手挥起双拳猛击对手。
3. A healthy adult heart is about the size of two fists and looks like a piece of red meat. But in overweight people, it can look yellow because of fat.
健康的成年人心脏大约有两个拳头那么大，看起来就向一块红色的牛肉。但是超重人士的心脏由于脂肪原因看起来会是黄色的。

网络释义

Fists
拳套; 微金属;
Red Fists
联手警探;
Spiritual Fists
神拳三壮士;
Bloody Fists
方世玉与洪熙官;
adamantine fists
忿怒拳;