I was cut off in midstream.

我说到一半时被打断了。

柯林斯例句

We anchored in midstream

我们在河中心抛锚了。

《牛津高阶英汉双解词典》

The boat floated rapidly in midstream.

船在中流飞快地漂行.

《现代汉英综合大词典》

There's a fast current in midstream.

中流的水很急.

辞典例句

Another pecie of advice is, do not change horses in midstream.

另一条建议是, 不要在河流中间换马.

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It is too late to plug the leak when the Boat is in midstream.

船到江心补漏迟.

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