once in a blue moon

once in a blue moon

美 　英

• na.〈非正式〉难得；罕见；千载难逢
• 网络难得一次；极少；千载难逢地

英汉解释

na.	1. 〈非正式〉难得;罕见;千载难逢

英英解释

na.	1. <informal>very rarely

例句

How can you let such a golden opportunity to make big money slip through your fingers? It was an opportunity that comes once in a blue moon.

这样一个发大财的机会千载难逢，你怎么能眼睁睁地让它溜掉呢。

In recent years, we don't often get a chance to visit our grandparents. They live so far away. We get to see them once in a blue moon.

最近几年，我们很少有机会去看望祖父母。他们住的太远了，见一面真有千载难逢之感。

His parents are very strict with him and allow him to go out with his pals in the evening only once in a blue moon.

他的父母亲对他很严格，难得准许他和朋友们在晚上一起出去。

Sally: Wow, this is really a chance once in a blue moon. Please invite me to go with you!

哇，这真是千载难逢的好机会。求求你邀请我跟你一起去嘛！

He is not very keen on swimming. Only once in a blue moon do we meet him in the swimming pool.

他不喜欢游泳，我们很难得在游泳池遇到他。

Since our parents live so far away, in recent year we get to see them once in a blue moon.

因为父母住在远处，所以我们近来很少和他们见面。

Since our parents live so far away, recently we get to see them once in a blue moon.

因为父母住得比较远，所以我们近来很少和他们见面。

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）

And he said that only once in a blue moon does a dog's ear grow back.

而且他还说除非天下红雨狗才会再长出耳朵来的

The most famous actors of the day. But chances like this happen once in a blue moon !

但是象这样的机会发生在蓝色的月球也仅一次！

It was an opportunity that comes once in a blue moon.

千载难逢的机会降临了。

Once in a blue moon my wife and I eat at a very expensive restaurant.

我们夫妻俩很少上昂贵的餐厅吃饭。

Such a chance comes once in a blue moon.

这样的机会极其难得。

My girlfriend helped me wash dishes yesterday. It was once in a blue moon. Usually, she doesn't do any housework at all.

今晚我的女友帮我洗了碗，真是千载难逢啊。通常，她不做家务活的。

Even if he should be late once in a blue moon, he would tell us in advance.

即使他偶尔迟到一次，他也会事先通知我们。

Sex marathons, that last a few hours or even all night, happen once in a blue moon for most couples.

持续几个小时甚至一整晚的性爱马拉松，大多数情侣都千载难逢地有过那么一次。

You will be able to see a dinosaur once in a blue moon. Why don't you go to the exhibition?

很难有机会看到恐龙的。为什么不去看看那个展览？

My sister lives in Alaska, so I only get to see her once in a blue moon.

我的姐姐住在阿拉斯加，所以我很难得才见她一面。例句

See, once in a while -- once in a blue moon -- people will surprise you.

明白了吧，偶尔或者千载难逢地，人们会让你惊奇的。

My girlfriend helped me wash dishes this evening; It's once in a blue moon. Usually, he doesn't do any housework at all.

今晚我的女友帮我洗了碗，真是千载难逢啊。通常，她根本不做家务活的。

Often enveloped in dense fog and mist, Lake Mashu has an image of being "always covered in fog, and only sunny once in a blue moon. "

因为摩周湖经常是大雾弥漫，所以给人一种「经常被雾覆盖，很少放晴」的印象。

Worst of all, using poor technique will probably make your program bomb out once in a blue moon or at 3 AM on an important client's system.

最糟糕的是，使用差劲的技术，您的程序在重要客户的系统上有可能不是很长时间才崩溃一次，就是早上三点钟就崩溃。

Why don't you try eating dinner with your child every once in a blue moon?

你为什么不试试在月光之下和你的孩子一起吃晚餐呢？

It is unable to have such good luck coincidence in actual life, even if I think that is a miracle once in a blue moon.

现实生活里无法有这样的机缘巧合，就算有我想那也是百年不遇的奇迹。

Jeanette: Yes, I know. That kind of pigeon is spotted once in a blue moon. I feel privileged to have seen it.

珍奈特：对啊，没错。那种鸽子十分难得一见。我庆幸自己可以看到。

Dolphins are almost extinct. But once in a blue moon you can see them in the oceans.

海豚几乎绝种了，但偶尔在海洋中也可以看到为数不多的几只。

Listen to Jason and Amy talk about how a movie this fun only comes along once in a blue moon.

听听詹森和艾米谈论这部千载难逢的电影如何有趣。

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。

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。

My girlfriend helped me wash dishes this evening; It's once in a blue moon.

今晚我的女友帮我洗了碗，真是太阳从西边出来了。

Jack enjoys casual wears. You find him wearing a tie once in a blue moon.

杰克喜欢休閒的服装，千载难逢才见到他结领带。

Couples who used to meet scarcely once in a blue moon are together every day now thanks to improved relations across the Taiwan Strait.

原本是好久才能相会一次的鹊桥会，如今因为两岸关系的变化，得以天天相聚一起。

My best friend has moved to Canada. Now I can see her only once in a blue moon.

我的好友已经移居加拿大。我们现在很难得有机会见面。

Our boss is a miser. He gives us a treat only once in a blue moon.

我们的老板是个铁公鸡。他招待我们一顿可真是千载难逢。

Earthquakes occur in this area only once in a blue moon.

这个地区偶尔发生地震。答案：

Of course. But that happens only once in a blue moon.

当然，不过那几百年也不见得会遇上一次。

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。

That kind of chance comes once in a blue moon.

那是千载难逢的机会。

Barry only visits his parents once in a blue moon.

巴里难得去看望他父母一次。

He has a very nice car, but he drives once in a blue moon.

他有一辆好车，但他几乎没开过。