英语词汇“郎前白发”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	郎前白发
释义	郎前白发 láng qián bái fà 基本出处当了很长时间的官，一直得不到提拔，头发都白了还是一个小官。比喻一直到白了都没有遇到一个好机会。汉·班固《汉武故事》：“上尝辇至郎署，见一老翁，须髯皓白，衣服不整。对曰：‘臣姓颜名驷，江都人也，以文帝时为郎。’”
随便看	crystalline water-soluble crystalline wax crystalline zinc insulin crystalline zinc insulinczi Crystalline zinc insulin preparation crystalline zine insulin crystalline zone crystallin gene crystalling fracture crystalling fragment crystalling phase crystallinic crystallinic acid Crystallinic Acid crystallinities crystallinity crystallinity by density measurement crystallinity by enthalpy measurement crystallinity by x ray diffraction measurement crystallinity degree crystallinity density crystallinity grains growing process crystallinity index crystallinityn crystallinity of authigenic illite