We'd seen the storm brewing when we were out in the boat.

我们乘船外出时看到了暴风雨正在酝酿之中。

《柯林斯英汉双解大词典》

I'm worried about the weather, it looks like there's a storm brewing.

我担心天气会变，暴风雨好像就要来了。

youdao

I think there's a storm brewing up.

我看风暴即将来临。

youdao

I think there's a storm brewing up.

我看风暴即将来临。

youdao