英语词组once in a blue moon是什么意思，短语翻译、用法及例句-英语词组固定搭配大全

词组	once in a blue moon
释义	●ˌonce in a blue ˈmoon (informal) very rarely 千载难逢；极难得；破天荒地◆Sue’s daughter only visits her once in a blue moon.苏的女儿很少来看她。
随便看	spare no expense to do sth doing sth spare no expense (to do sth sth) spare no pains (to do doing sth) spare no pains to do in doing sth spare no pains to do sth doing sth spare no pains (to do sth sth) spare no trouble (to do doing sth) spare no trouble to do in doing sth spare no trouble to do sth doing sth spare no trouble (to do sth sth) spare sb’s blushes spare sb’s feelings spare the rod and spoil the child spark sparks spate speak speak for itself speak for itself/themselves speak for myself himself etc. speak for themselves speak for yourself speak highly of sb speak ill of sb speaking

英语词组固定搭配大全包含20132条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。