在线词典没齿难忘没齿：终身。一辈子也忘不了。拼音mò chǐ nán wàng解释没齿：终身。一辈子也忘不了。近义词没齿不忘、铭心刻骨反义词忘恩负义英文释义hard to forget even after one's teeth fall out (idiom); to remember a benefactor as long as one lives; undying gratitude
