To be plain with you, I know nothing about it.

坦白对你讲, 我对此一无所知.

辞典例句

To be plain with you, we don't consider your work entirely satisfactory.

老实告诉你, 我们认为你的工作并不十分令人满意.

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I must be plain with you.

我必须坦白地对你说.

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To be plain with you, we do not consider your work entirely satisfactory.

老实告诉你, 我认为你的工作并不完全令人满意.

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