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1.to bite off:(作为任务或职责)接受。此习语通常用来表示一个人接受超过其能力的过多的职责、任务,常用于to bite off more than one can chew。如: When I accepted the position of chairman.I didn’trealize how much I was biting off. When James registered for 18 units in his lastsemester at college,he bit of