I do not understand. What makes a straight blue line art?

He likes to transfer from the bus to the Blue Line at 103rd Street in Watts.

他喜欢在华兹区第103大街下公交车转乘地铁蓝线。

The good news is that we're safely past January 22-Blue Monday. Things can only get better.

好消息是我们安全地度过了1月22日这个“忧郁星期一”, 事情只会更好了.

They sometimes wish they could sleep through blue Monday.

她们有时真想在沉闷的星期一可以睡足一整天.

Pampering yourself is a great way to beat blue Monday.

纵容自己是驱除蓝色礼拜一的好方法.

It really is blue Monday after a wonderful weekend.

过了愉快的周末之后,星期一〔要上班〕实在是令人沮丧.

It was blue Monday and Henry nodded sleepily over his books.

这是沉闷的星期一,亨利对着书本打瞌睡.

He gets drunk only once in a blue moon.

他难得喝醉酒.

In the city met you is real once a blue moon!

在这个城市里能遇到你真是太难得了!

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

这种机会来一次可太难了.

This is a chance once in a blue moon.

这可是个难得的机会.

We also did all the work for the Blue Moon Race.

我们也为蓝色月亮比赛做了所有的工作.

Eg . Seeing the partial eclipse is once in a blue moon.

看见月偏食真是个千载难逢的事.

Something that happens once in blue moon almost never happens.

那种罕见的事情几乎不会发生.

That sort of thing only happens once in a blue moon.

这种事情难得发生一次.

Great writers like Mark Twain only appear once in a blue moon.

(像马克吐温那样伟大的作家,是很罕见的. )

He gives us a treat only once in a blue moon.

他招待我们一顿可真是千载难逢.

Such a chance comes once in a blue moon.

这样的机会极其难得.

You get a chance like this only once in a blue moon.

这种机会你是很难得到的.

By living a blue moon with the Indians, he was assimilated to them in his thinking and actions.

由于长期和印第安人共同生活, 他在思想和行动上都被他们同化了.

The story is just a blue moon.

这个故事根本就是件不可能的事.