That may or may not be true.

这可能是真的，也可能不是。

《牛津词典》

Ah, but that may not be true.

不过嘛，那可能不是真的。

《牛津词典》

The converse of this statement may not be true.

这话反过来说就不一定对。

《新英汉大辞典》

That may not be true of the independents, including the Tea Party people.

VOA: special.2010.06.12

And so, he attempts to defend this position, justify it to his disciples who are worried that it may not be true.

所以,他试图捍卫他的观点,并试图说服,那些怀疑这一点的学生们

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And there are a lot of interesting things that the food industry has trained us to believe that experts say may or may not be true.

有趣的是,是那些食品厂家让我们明白,专家说的也是有对有错的

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But it may not be true, and somehow nobody, including me, bothered to notice.

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That may or may not be true, but either way it just looks bad.

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But it may not be true, as the Wall Street Journal suggests in a recent article.

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