1. 啃：gnatty 多蚊蚋的 | gnaw at 啃 | gnaw into 啃
2. 咬：gnaw 咬 啃 侵蚀 | gnaw at . . . 咬. . . . | sense N官能 感觉 VT感到 理解
3. 啃;咬：Senegal: 塞内加尔 | gnaw at: 啃;咬 | nocturnal: 夜间活动的
1. In spite of this improvement, corruption continues to gnaw at China's social fabric.
2. James insists the bitter conclusion to last season doesn't gnaw at him.
gnaw at