v.咬；折磨；侵蚀
Rats gnawed off the lid of the box. 老鼠咬开了盒盖。
The rat gnawed a hole through the wall. 耗子在墙上啃了一个洞。
These desires gnawed away at us constantly. 这些欲望不断地折磨我们。
Self-doubt began to gnaw away at her confidence. 对自己的怀疑渐渐吞噬了她的自信心。
