It has to be proved that they are the guilty party.

尚需证明他们是有过错的一方。

《柯林斯英汉双解大词典》

I think the colonel is the real guilty party.

我认为真正有罪的是上校。

youdao

We know he is the guilty party, because we saw him take the money.

我们知道他是有罪的一方，因为我们亲眼看到他拿钱的。

youdao

Glenavon's penalty was also for hand-ball, Andrew Kilmartin the guilty party this time from Sammy Stewart's cross.

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Fortunately, with your help, this time around it will be much easier to identify the guilty party.

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Another guilty party in the overspending on unproven talent at the professional level was the Baltimore Orioles.

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