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能听到美妙的音乐，看到一轮蓝的月亮。

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

美家航空航天局的专家解释说，蓝月实不是蓝色的。

Despite what the name might suggest a super blue moon isn't actually super blue.

不管这个名字暗示着什么，超级蓝月亮实不是超级蓝色。

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

虽然它被称为蓝月亮，但它的颜色不是蓝色的。

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

“蓝月亮”是指一个月内的第二次满月。

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

我哥哥住在澳利亚，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） 是一个非正式短语。

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”。

Once in a blue moon, a student came along who made teaching almost seem worth it.

值得去教的学生实属难得。

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，这是一个很常见的用法。

A " blue moon" is a long or seemingly long period of time.

" 蓝月" 指的是很长的或看起来很长的一段时间。

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

今年或许会过一个令人真正“毛骨悚然”的万圣节蓝月之夜。

What makes a blue moon different is that it does not appear in the sky that often.

蓝月与众不同的原因是它不经常出现在天空中。

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

因为这是同一个月的第二次满月，所以它将被称为蓝月亮。

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

某个特别的月份中的第二个满月就叫蓝月亮。