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	a heartbeat away a heartbeat away (from sth) a heartbeat away from sth a heaven on earth a heavy atmosphere a heavy silence a heavy silence/atmosphere a hell of a… a hell on earth a helping hand a hill of beans a hit list a hobby horse a home away from home a home bird a home from home a home truth a honeymoon period a hornet’s nest a hostage to fortune a hot line a hot line (to sb) a hot line to sb a hot potato a hot spot

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。