It is raining.

下雨了。

youdao

I love drinking tea while it is raining.

我喜欢在下雨时喝茶。

youdao

Although it is raining heavily, the policemen are still on duty in the street.

虽然下着大雨，但警察们仍在街上执勤。

youdao

"It's" with an apostrophe is short for "it is," as in "It's raining."

VOA: special.2010.02.11

So problems arise but they're interesting problems, and they are a function, one of the six functions, of the expression "It is raining."

问题就出现在这里，但这是有趣的问题,是六功能中的一个“

耶鲁公开课 - 文学理论导论课程节选

Well, you wake up in the morning and it is raining and being the conscientious and reliable young people that I know you to be, you probably forget to do it.

嗯，你早上醒来，并且在下雨,作为一个认真的，可信赖的年轻人,我知道你会这样做，你可能忘记了做。

哈佛公开课 - 计算机科学课程节选

And basically what they found was that it is harder to find a taxi when it is raining.

FORBES: Employee remuneration systems are often based on the wrong assumptions

When it is raining, taxi drivers make more money, at least per hour.

FORBES: Employee remuneration systems are often based on the wrong assumptions

It is much harder to repair the roof when it is raining.

ECONOMIST: The danger of delay