once in a while 还可以说成什么?相当于哪些词组?

once in a while 还可以说成什么?相当于哪些词组? once in a while Once In A While 歌词 keep a diary once in a while once in a while ?什么意思? once in a blue moon 意思和once in a while一样嘛? 请教大家 once in a while 什么意思 I smoked only once in a while and for run. 他们偶尔见面 翻译 They see ( ) ( ) once in a while once in a while同义词 Aoften Bnever Csometimes Dever once in a while与every once in a while有什么细微区别,后者更频繁些?谢谢了 for a while 和 after a while 和once in a while 和 all the while的意思 和区别（求详解） ONCE IN A WHILE 的意思as a matter of fact 的意思 chance can allow you to accomplish a goal every once in a while. 翻译Would it kill 'em to post a road sign once in a while 请帮忙翻译Would it kill 'em to post a road sign once in a while right now 的近义词 A just now B in a while C at once Every now and then和once in a while完全一样嘛?