There was thunder and lightning, and torrential rain.

雷电交加，暴雨倾盆而下。

《柯林斯英汉双解大词典》

They duly arrived at 9.30 in spite of torrential rain.

尽管下着倾盆大雨，他们仍在9:30准时到达了。

《牛津词典》

The storms and torrential rain caused traffic chaos across the country.

暴风雨和倾盆大雨造成了全国的交通混乱。

《柯林斯英汉双解大词典》

After torrential rain and historical flooding, Hurricane Sandy left more than 20, 000 flights cancelled this week.

FORBES: Delta Air Lines Grounded By Hurricane Sandy: $20M Lost In Oct. Alone

The building, which is converted into flats, collapsed just before 06:00 GMT following torrential rain.

BBC: Cornwall house collapse: Body found

Yesterday - in torrential rain - there was a protest against the new spending cuts.

BBC: Europe: Waiting on Athens