I've underlined the important bits in red ink.

重点我已经用红笔划出来了。

Now, then! You see this other page in red ink?

喂！你看见用红墨水写的另外一页了吗？

There, in red ink on the blue cover, was an A. I couldn't believe my eyes.

那儿，蓝色封皮上用红色墨水写着A。我简直不敢相信。

There was a scribbled note across it in red ink, reading: Inspected and Passed by the Hogwarts High Inquisitor.

上面横贴着一张用红墨水潦草写下的条子，内容是：已通过霍格沃茨高级调查官的审查。

In the past, numbers in the financial records of a company were written in red ink to show a loss.

在过去，公司财务账本上的数字用红色墨水写出来表示亏损。

At one point is a small cross done in red ink, and above it is '3.37 from left, ' in faded pencil-writing.

中间一点有用红墨水画的十字，在这上面写有模糊的用铅笔写的'从左边3.37' 。

That occurs when multiple pieces of information complement each other or work together—like when we read the word red in red ink.

当多条信息互为补充或者像我们读用红墨水写的单词红字那样，就会发生这种情况。

A big rubber stamp slams down: " REJECTED" in red ink.

一个大橡皮图章猛地压下：用红墨水写的“已拒绝”。

This paper the boy proceeded to unfold, taking care not to spill the pills, and found several lines clearly written in red ink.

男孩继续展开这张纸， 注意不要洒出药丸，发现几行用红墨水写得很清楚。

And the name on the label of his grip was W. Winter, and below the name, in red ink, was written: MY BLOOD GROUP IS F.

他握把标签上的名字是 W. Winter，名字下方用红墨水写着：我的血型是 F。

Do you remember getting your essay back from Mr. Jones and it was covered in red ink, all those mistakes, and you go, I'm rubbish at English, and it's not true.

你还记得从老师那里拿回你的作文时，上面满是红笔字，很多错误，然后你说，我的英语很糟糕，不是这样的。

He then had to give written answers to two questions: in future, could he stop his illegal activities? “I can, ” he wrote, and put his thumbprint, in red ink, on his answer.

然后，他必须以书面形式回答两个问题：“公安机关希望你至此中止违法行为，你能做到吗？”“能”，他写道，并按上了红手印。

Democrats note that CBO (that's the Congressional Budget Office) estimated the bill's savings would leave it adding $200 billion to federal deficits over the coming decade, small compared to the $12 trillion in red ink already projected.

民主党人指出，国会预算办公室估计，该法案节省的资金将使联邦赤字在未来 10 年增加两千亿美元，与此前预计的 12 万亿美元赤字相比微不足道。