To bare fangs and brandish claws; to act ferociously and menacingly; to show one's teeth and claws in an aggressive manner.
表演中，扮演怪兽的演员矜牙舞爪，吓得小孩子们尖叫连连
In the performance, the actor playing the monster bared its fangs and brandished its claws, scaring the children into screaming.
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