There is no gainsaying his honesty.

他的诚实是不可否认的.

《现代英汉综合大词典》

There is no gainsaying the fact that they have been responsible for a truly great building.

不容否认的事实是，他们一手建起了一座真正伟大的建筑。

柯林斯例句

There was no gainsaying the astronomer's knowledge about the planets.

这位天文学家对于行星的知识是毋庸置疑的.

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There is no gainsaying his innocence.

他的清白不容否认.

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There is no gainsaying it.

这无可否认.

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There is no gainsaying her ability.

她的能力是无可否认的.

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There's no gainsaying his honesty , ie We cannot deny that he is honest.

他为人诚实无可否认.

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