◙ noun 1. a growth of hair on the chin and lower cheeks of a man's face[mass noun] • 颏上的胡须，络腮胡子 a tuft of hair on the chin of certain mammals, for example a lion or goat • （狮子或山羊等哺乳动物的）须，胡子 an animal's growth or marking that is likened to a beard, for example the gills of an oyster, or the beak bristles of certain birds • （动物的）颔毛；（牡蛎的）鳃；（鸟类喙上的）须状羽毛 a tuft of hairs or bristles on certain plants, especially the awn of a grass • （植物的）芒，髯毛 2. [N. Amer. informal] a woman who accompanies a homosexual man as an escort to a social occasion, in order to help conceal his homosexuality • [北美,非正式] （在社交场合陪同男性同性恋者以掩饰其同性恋身份的）名义女伴 3. [US informal] a person who carries out a transaction, typically a bet, for someone else in order to conceal the other's identity • [美，非正式] 替身（尤指代替他人作打赌等交易以便掩盖其身份的人） ◙ verb 1. [with obj.] boldly confront or challenge (someone formidable) • 对抗（令人畏惧的人），顶撞，冲撞
【IDIOMS】
◘ beard the lion in his den (或 lair) 1. confront or challenge someone on their own ground • 在狮穴捋狮须，太岁头上动土