定位中
(1) [gnaw a bone;pick a bone]∶用牙剥食骨头上的肉 那只狗在啃骨头 (2) [a job that was difficult and not very profitable]∶比喻难做的而又没有什么油水的工作,常和“吃肉”对举 吃肉和啃骨头的事都得干
