一只拳头从地面破土而出。

A ___fist breaks through the ground.

她愤怒地握紧了拳头。

She clenched her ___fist in anger.

她紧握着拳头，准备面对挑战。

She clenched her ___fist, ready to face the challenge.

他紧握拳头，展现出坚定的决心。

He clenched his ___fist to show his strong determination.