gnawed [nɑ:d]

以下由轻松背单词网站提供

附加级

咬( gnaw的过去式和过去分词 )；（长时间）折磨某人；（使）苦恼；（长时间）危害某事物

His attitude towards her gnawed away at her confidence. 他对她的态度一直在削弱她的自尊心。
The root of this dead tree has been gnawed away by ants. 这棵死树根被蚂蚁唼了。