gnaw at

汉语翻译

英语解释：

动词 gnaw at:

1. become ground down or deteriorate
   同义词：erode, gnaw, eat at, wear away

例句：

1. Her mistake gnawed at her conscience.
   她的错误折磨着自己的良心。
2. The dog was gnawing at a bone.
   狗在啃一根骨头。