I was just about to go out, when it began to rain hard.

我正要出门的时候，天空开始下起了大雨。

youdao

It began to rain hard.

开始下大雨了。

youdao

I'll be back tomorrow if it doesn't rain hard.

如果天不下大雨的话，我明天就回来。

youdao

It began to rain hard.

的翻译是：它就开始下雨。

youdao

It began to rain hard.

的翻译是：它就开始下雨。

youdao