There's trouble brewing.

要有麻烦了。

柯林斯例句

There's trouble brewing between them.

他们之间正在酝酿着纠纷.

《现代汉英综合大词典》

There's trouble brewing up between them.

他们之间正在酝酿着一场纷争.

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But is there trouble brewing?

眼下会有问题 吗 ?

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There is trouble brewing.

纠纷在酝酿中.

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There's trouble brewing up at the meeting.

会上正酝酿着一场纷争.

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