I bought a pen. The pen is blue and red.

我买了一支钢笔，这支钢笔的颜色是红蓝相间的。

youdao

And if I'm picking up this pen, and I'm telling you this is blue - and I say: "We could sell the heck out of this blue pen."

如果我了支笔，就这个蓝色的——我说：“卖这个蓝钢笔真烦。”

youdao

Is this your pen? I found it under the desk. No. Mine is blue.

这是你的笔吗？我在桌子下捡到的。不是。我的是蓝的。

youdao