•Babies like to gnaw hard objects when they're teething.婴儿在长牙时喜欢啃咬硬物。

•A dog lay under the table, gnawing on a bone.一只狗趴在桌下啃骨头。

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•I've been gnawed by guilt about not replying to her letter yet.我到现在还没有回她的信，心里一直感到很内疚。

•The feeling that I've forgotten something has been gnawing at me all day.我一整天都坐立不安，总是觉得忘了甚么事情。

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•Bad debts are continuing to gnaw away at the bank's profits.坏帐继续吞噬银行的利润。