The match had just begun when the heavens opened and play was suspended.

比赛才刚刚开始，就突然下起倾盆大雨，于是比赛暂停。

《柯林斯英汉双解大词典》

I ran a 22-miler this morning in preparation for my second marathon later this month, and at about mile 18, the heavens opened up and poured water on me by the truckload.

为了准备后半月第二次马拉松比赛，今天早上我跑了22英里。在差不多18英里的时候，天降暴雨，一卡车的水倾泻到我身上。

youdao

And said, Behold, I see the heavens opened, and the Son of man standing on the right hand of God.

就说，我看见天开了，人子站在神的右边。

youdao

Once, we were about to go on stage at an outdoor festival and the heavens opened.

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And then, as if on cue, the heavens opened, rain lashing those gathered on the riverbanks below.

CNN: Eyes of world on spectacular Thames royal pageant

On the evening when the heavens opened, few taxi drivers went on duty, leaving passengers stranded across the city.

FORBES: Beijing Taxi Drivers Share Blame In Flood Aftermath