This is a chance in a blue moon.

这可是个难得的机会。

She visits us once in a blue moon.

她难得来看我们一次。

It is a chance once in a blue moon.

这是一个千载难逢的好机会。

This is a chance once in a blue moon.

这是个千载难逢的好机会。

This is a chance once in a blue moon.

这是个千载难逢的机会。

This is a chance once in a blue moon.

这是一次难得的机遇。

He only comes here once in a blue moon.

他只是偶尔到这儿来一次。

Such a chance comes once in a blue moon.

这样的机会极其难得。

Once in a blue moon is an informal phrase.

（千载难逢） 是一个非正式短语。

Sichuan earthquake is once in a blue moon.

四川地震是百年一遇。

Opportunity like this comes once in a blue moon.

这样的机会实在千载难逢。

You're the kinda guy, a girl finds in a blue moon.

你是那种人，在一个蓝色的月亮找到一个女孩。

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。

You're the kinda guy, a girl finds in a blue moon. (hey).

你是那种人，在一个蓝色的月亮找到一个女孩。(嘿)。

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！

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。

How I have been missing you! I haven't seen you in a blue moon.

我多么想念你呀！我已经好久没见到你了。

You're the kinda guy, a girl finds(a girl finds) in a blue moon.

你是男人，一个女孩发现（一个女孩发现）在一个蓝色的月亮。

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。

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。

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。

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。

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。

That murder was a mystery in a blue moon, but a clever detective cleared it up.

那次谋杀案长期以来一直是个谜，后来有个机灵的侦探揭开了真相。