But, admittedly, it was pouring rain.

尽管在下大雨，他还是要出去。

youdao

It was pouring with rain so I accepted his offer of a lift.

天正下着瓢泼大雨，所以我领了他的情，搭了他的便车。

《牛津词典》

On a recent morning, one group was stationed in the hallway singing “Frère Jacques” in Mandarin; in a classroom, another group was imitating the sound of rain on a giant drum (it was pouring outside).

在最近一天的一个早上，有一个组被分配站在走道中用汉语唱《雅克兄弟》；在教室中，另外一组用一个巨大的鼓模仿下雨的声音（外面也确实正在下雨）。

youdao

Useful as it turned out - it was pouring with rain as I left the Conference centre.

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"It was pouring with rain and there was no obvious sign of disabled access, so I wheeled myself up and down the length of the branch and couldn't find a way in so I had to bang on the windows, " he said.

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Outside it was pouring, the grey roads filling with rain from the grey skies.

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