Once in a blue moon. It doesn't mean that the moon is blue.

Once in a blue moon（千载难逢），它的意思可不是月亮是蓝色的。

Luke can hear beautiful music and see a big blue moon.

Luke能听到美妙的，到轮又大又蓝的月亮。

" I do it once in a blue moon."

“我很少那样做。”

This is the modern definition of a blue moon.

这就是现代对蓝月的定义。

The second moon is a " blue moon" .

二个月亮是" 蓝色的月亮" 。

These words all describe something that happens once in a blue moon.

这些词都描述了件千载难逢的事。

Saturn appeared as a bright " star" to the upper right of the blue moon.

在这蓝月亮的右上角，土星以亮的“恒星”的形式出现。

A blue moon is a second full moon in one month.

“蓝月亮”是指个月内的二次满月。

My brother lives in Australia so I see him once in a blue moon.

我哥哥住在澳大利亚，所以我很少见到他。

Now I punish myself every blue moon.

现在我逢蓝月就惩罚自己。

Once in a blue moon simply means very rarely.

“Once in a blue moon”意思是很少。

Once in a blue moon is an informal phrase.

Once in a blue moon（千载难逢） 是个非正式短语。

Once in a blue moon is a common way of saying that something does not happen often.

once in a blue moon意思是某事不经常发生，这是个很常见的用法。

Although it is called a blue moon, it does not appear blue in color.

虽然它被称为蓝月亮，但它的颜色并不是蓝色的。

Some people are calling this week's lunar event a super blue blood moon.

有些人将本周的月球活动称为“超级蓝血月全食”。

It should make for a really " bootiful" but eerie once in a blue moon Halloween night.

今年或许会过个令人真正“毛骨悚然”的万圣节蓝月之夜。

So, once in a blue moon, you'll find me on the couch, watching movies and eating popcorn.

所以，你会发现我待在沙发上，着电影，吃着爆米花，这是极为罕见的。

Because it's the second full moon in the same month, it will be what's called a blue moon.

因为这是同个月的二次满月，所以它将被称为蓝月亮。

The NASA experts explain that a blue moon is not actually blue in color.

美国国家航空航天局的专家解释说，蓝月实际上并不是蓝色的。

The second full moon in a particular month is called the blue moon.

某个特别的月份中的二个满月就叫蓝月亮。