❶ (脱去或敞开上衣， 露出) leave (the upper part of the body) uncovered; be stripped to the waist or have one's shirt unbuttoned ❷ （袒护） give unprincipled protection to; shield; shelter: 偏 ～ give unprincipled support to; be partial to ◆袒胸露背 expose one's chest and back; 袒胸露臂 lay bare one's bosom and arms; bare one's chest and expose one's arms