不可能或稀有的时期或事情;

Such a chance comes once in a blue moon. Fat chance I can get a thicket for the concert.
这样的机会极其难得。我很难有机会得到音乐会的票了。
来源:互联网摘选By living a blue moon with the Indians, he was assimilated to them in his thinking and actions.
由于长期和印第安人共同生活, 他在思想和行动上都被他们同化了.
来源:《简明英汉词典》信息网络化的发展给中国经济的发展带来了千载难逢的大好时机,但同时也给中国经济的发展带来了严峻的挑战。
来源:互联网摘选The island is seldom, if ever, visited by ships. Such a chance comes once in a blue moon.
这个岛难得有船停靠.这样的机会极其难得。
来源:互联网摘选What does it matter what your uncle thinks of you? He only visits you once in a blue moon.
你叔叔怎样看待你,这有什么关系?反正他难得来看你。
来源:provided by jukuuIf we still have time, we're planning to see Blue Moon Valley and Yak Meadow .
如果我们还有时间的话,我们计划去看蓝月亮谷和牦牛牧场。
来源:中考真题- 2019 南京 短文填空But what exactly does a blue moon look like, and is it really all that rare?
然而,蓝月亮到底是什么样的?真的那么罕见吗?
来源:互联网摘选Don't give up a such a good opportunity; it only comes once in a blue moon.
不要放弃这个好机会;那是非常难得的。)(当副词用)
来源:互联网摘选That's why we say 'once in a blue moon' to talk about something that very seldom happens.
这就是为什么我们有个说法叫做“'once in a blue moon'”就是形容罕有发生之事。京晶:可不是吗。
来源:互联网摘选Stamp collecting is interesting, but you find a valuable stamp only once in a blue moon.
集邮是很有趣的事情,但一张有价值的邮票却是千载难逢的。
来源:互联网摘选The schoolmaster said that he was able to go to a play only once in a blue moon.
这位校长说,他难得有空去看戏。
来源:互联网摘选I don't know why he bought that membership card, he uses it once in a blue moon.
我不知道他为什么买那张会员卡,他基本不用的。
来源:互联网摘选
纳米英语 · 四六级英语
纳米英语 · 双语娱乐资讯

纳米英语 · 双语娱乐资讯
纳米英语 · 双语娱乐资讯

纳米英语 · 双语娱乐资讯
纳米英语 · 双语娱乐资讯