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①古代行军时口中衔着枚,以防出声:衔枚而进|衔枚夜袭。 ②引申为缄口不言:衔枚以晦其迹|愿衔枚而无言兮。
[(in ancient times) have the soldiers keep sth.like a stick in their mouth to prevent them from making noise in a secret move] 古代军队秘密行动时,让兵士口中横衔着枚(像筷子的东西),防止说话,以免敌人发觉 徒衔枚而进。——《周礼·夏官·大司马》 章邯夜衔枚击 项梁定陶。——《汉书·高帝纪》 衔枚疾走