What colour are they? They are blue.

它们是什么颜色的？它们是蓝色的。

youdao

They are blue.

是蓝色的哦。

youdao

Cynical it pros will argue this until they are blue in the face, but it's true.

愤世嫉俗的IT人士也许会质疑这一切直至气急败坏，但事实就是如此。

youdao

They are lit with a striking blue light and seem to glow in the dark room.

VOA: special.2009.09.18

For instance, are blue collar workers at the university getting paid a decent wage, are they compensated fairly.

比如，大学工人们,的报酬是否过低，他们是否获得应有的补偿。

普林斯顿公开课 - 人性课程节选

So they've got these superhighways which is, I don't know if you've seen them, they are marked on in blue.

所以，他们修了这些高速路，我不知道你见过没有，他们被标成蓝色了。

伦敦的蓝色自行车 - SpeakingMax英语口语达人

Locals have been consulted until they are blue in the face.

ECONOMIST: But have the right lessons been learned?

In fact, many of them will argue until they are blue in the face that the customer dynamics are the same while this is rarely the case.

FORBES: The Dangerous Seduction of the Lifetime Value (LTV) Formula

"They can tell us until they are blue in the face that we should be making money but with 352 seats - you can't - it's as simple as that, " he said.

BBC: Grant approved to save Taunton's Brewhouse Theatre