fall away 1. 消瘦 She's fallen away terribly. 她瘦得完全脱了形。 2. 减少；(风等)减弱；消失 Subscriptions will not fall away this year. 今年订户不会减少。 Her smile fell away. 她的笑容消失了。 3. 离弃，疏远 All his old friends fell away from him. 他所有的老朋友都和他疏远了。 4. 背弃信仰，变节 5. 向下倾斜 The land falls away to the east. 陆地向东倾斜。 6. 转变方向；偏离航线