Plural of fist: hands closed with fingers curled inward.

• Used for hitting, threatening, or gripping tightly.

拳头的复数；手指向内蜷曲的握紧的手。

• 用于击打、威吓或紧紧抓握。

Third-person singular of fist: hits with a fist.

• Clenches or grips something tightly with a fist.

动词三单形式：用拳头击打。

• 用拳头紧握或抓住某物。