I think Alfred wanted to marry Jennifer, if I am not mistaken.

我想如果我没搞错的话,当时艾尔弗雷德想娶珍妮弗。

《柯林斯英汉双解大词典》

He said so, if I am not mistaken.

如果我没弄错的话，他就是这么说的。

youdao

If I am not mistaken, you are Mr. Karl's brother.

如果我没有记错的话，您是卡尔先生的兄弟。

youdao

If I am not mistaken, these decisions and announcements are usually made by the Treasury Department.

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If I am not mistaken, with its cloud-based computing, Amazon cannot separate a book sale transaction from a data cloud rental without incurring significant additional costs in redundant and unnecessary IT infrastructure.

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