The buildings are not blue.

这些建筑物不是蓝色的。

youdao

You will go with red, not blue.

你穿红色好看而不是蓝色。

youdao

The sky is either blue or not blue.

天空要么是蓝的，要么不是蓝的。

youdao

The king said he did not remember any little blue dogs and did not want to talk about little blue dogs.

VOA: special.2009.03.28

But Ale does not know that Kaj knows that he is wearing a blue, a pink hat, and Kaj does not know that Ale knows that Kaj is wearing a pink hat.

但艾尔不知道卡佳知道他戴着粉色帽子,卡佳也不知道艾尔知道,卡佳戴着粉色帽子

耶鲁公开课 - 博弈论课程节选

In this diagram I'm showing you it's easy to tell because some are yellow, and some are pink, and some are blue but that's not the way they come out of the bone marrow.

在我给你们看的这张图表中很简单,因为其中一些细胞是黄色的,有些是粉红的,有些是蓝的,但它们在骨髓里没有这些颜色

耶鲁公开课 - 生物医学工程探索课程节选

South Korea would be one to look at, though it is not blue skies all the way.

CNN: IS ASIA BOTTOMING OUT?

The Secretary General of NATO has been out on the airwaves and on the TV screens in Europe saying that this is not blue-hatted peacekeeping, this is an intense mission.

NPR: NATO Takes Expanded Role in Afghanistan

'Not the blue one again, get a new T-shirt, what's the matter with you?

NPR: Stylist Brad Goreski Shares Tricks Of His Trade