第三人称单数：wears down 现在分词：wearing down 过去式：wore down 过去分词：worn down
1.使衰弱;挫败;慢慢破坏;消蚀
2.坚韧不拔地克服(困难等)
1.to make someone gradually lose their energy or confidence
2.to make something gradually disappear or become thinner by using or rubbing it
worn downworn downworn down