To bare one's fists and roll up one's sleeves, displaying a crude and aggressive posture, often indicating readiness for a physical confrontation or argument.
看到对方不讲道理，他气得揎拳攞袖，准备和对方好好理论一番。
Seeing the other party being unreasonable, he bared his fists and rolled up his sleeves, ready to have a serious argument with them.
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