once in a blue moon
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adv.
千载难逢地；俟河之清；百年不遇；
英英释义
Once in a Blue Moon
Once in a Blue Moon is an album by the Phil Beer Band released in 2001. It is their latest recorded album using this band name.
以上来源于:Wikipedia
双语例句
It was in the days when motorcars were rare.
那是在汽车还罕见的时代。
Several rare birds have been sighted in this area.
本地区已发现了几种罕见的鸟。
权威例句
Once in a blue moonOnce in a blue moon
Once in a Blue Moon
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Once in a Blue Moon Lodge
The origin of the expression “once in a blue moon”. Can the moon really be blue?
Once in a Blue Moon Lodge: A Novel
Once in a Blue Moon Lodge: A Novel
1. If you only send faxes once in a blue moon, do it from Staples or a copy shop.
如果您只发送传真一次在一蓝色的月亮，也从史泰博或复印店了。
youdao
2. You should be grateful for the extra job offer. Things like that come along only once in a blue moon.
你应该对额外的工作机会抱有感激之心：这样的事可是极其难得。
youdao
3. He's the kind of player that comes along once in a blue moon, a play maker whose vision, passing and inventiveness makes a huge impact on any game he plays in.
他是那种百年不遇的天才球员。作为球队的核心，他的视野，激情以及创造性都会对比赛产生巨大的影响。
youdao
4. From this perspective, unused functions should not be dropped from software merely because they are used once in a blue moon.
从这个观点来说，不习惯使用的功能不应该仅仅从软件中去除因为他们往往给使用他们的用户一种千载难逢的感觉。
youdao
5. To keep the game interesting, most of it is paid out in dribs and drabs: a machine that returned $95, 000 of every $100, 000 in one huge jackpot once in a blue moon would be too disheartening to play.
为了让赌戏保持吸引力，机器回馈的奖金都是零零碎碎的：如果在一回千载难逢的机遇下一次性返还奖池内10万美元的95%则太过令人沮丧，玩兴全无。
youdao
6. If you only send faxes once in a blue moon, do it from Staples or a copy shop.
如果您只发送传真一次在一蓝色的月亮，也从史泰博或复印店了。美。
youdao
7. It is amazing! Once in a blue moon I got the first prize in the game.
太让我意外了，我竟然在比赛中得了第一。太难得了。
youdao
8. Once in a blue moon is an informal phrase.
（千载难逢）是一个非正式短语。
youdao
9. How often do you drink beer? B: Eh... once in a blue moon!
你多久喝一次啤酒？B：呃……我难得喝一次！
youdao
10. He only comes here once in a blue moon.
他只是偶尔到这儿来一次。
youdao
11. Brian has very little contact with his sister. They see each other once in a blue moon.
布莱恩和他姐姐没有什么联系。他们很少见面。
youdao
12. Once in a blue moon. It doesn't mean that the moon is blue.
（千载难逢），它的意思可不是月亮是蓝色的。
youdao
13. This is a chance once in a blue moon.
这是个千载难逢的好机会。
youdao
14. It is once in a blue moon to see her do housework.
看见她做家务真是极为罕见啊。
youdao
15. Sichuan earthquake is once in a blue moon.
四川地震是百年一遇。
youdao
16. We seldom met each other anymore, maybe once in a blue moon on a family gathering.
我们很久才见一次面，在大家庭的聚会上。
youdao
17. I have almost forgotten what Jack looks like. I see him once in a blue moon now.
我几乎已经忘了杰克的模样了。现在我只是极难得地见过他一次。
youdao
18. It's only once in a blue moon that you get an opportunity like that.
这样的机会对你来说真是千载难逢。
youdao
19. Such a chance comes once in a blue moon.
这样的机会极其难得。
youdao
20. 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确是千载难逢的。
youdao
21. We have a rare opportunity that comes along once in a blue moon to any group of Americans.
这是一个千载难逢的机遇，对于任何一个美国人群体来说都是如此。
youdao
22. It is a chance once in a blue moon.
这是一个千载难逢的好机会。
youdao
23. The schoolmaster said that he was able to go to a play only once in a blue moon.
太实：这位校长说，他只在月亮变蓝时才去看戏。
youdao
24. Opportunity like this comes once in a blue moon.
这样的机会实在千载难逢。
youdao
25. Opportunity like this comes once in a blue moon.
这样的机会实在千载难逢。
youdao
once in a blue moon
