gnaw at

• v. 侵蚀；咬；折磨

英英释义

Verb:

1. become ground down or deteriorate;

   "Her confidence eroded"
   

近反义词

【近义词】

• erode 腐蚀
• eat at 侵蚀, 困扰
• wear away 消逝
• gnaw 咬