brag /bræɡ/ I. vt. & vi. 吹牛，夸口：He bragged that he was sure of victory.他夸口说自己肯定能赢。‖II. n. 自夸；夸张（sing.）：make brag of one's success自夸成功 His wealth is his brag.他夸张他的财富。