At this moment, it is raining outside.

此时，外面正在下雨。

When I awake, I find it is raining outside.

我醒来时，发现外面在下雨。

It's raining outside, so don't forget your umbrella.

外面在下雨，所以别忘了带伞。

It's raining outside, don't forget to take an umbrella.

外面下雨了，别忘了带一把伞。

It's raining outside. It's raining today.

外面下雨了，今天是雨天。

I can hear it raining outside.

现在我听见外面下雨了。

It is raining outside. Don't go out!

外边下雨了。别出去了。

Stay for dinner, it's raining outside anyway.

留下吃饭吧，反正外面正下雨呢。

Help her draw on these boots. It's raining outside.

帮她穿上靴子，外面在下雨。

It is raining outside, so we called off outdoor meeting.

因为外边在下雨，所以我们取消了户外会议。