请君入瓮的英文：
[Literal Meaning]
invite/you/enter/urn
Please step into the vat

[解释]
用某人对付别人的办法来对付他自己。

[Explanation]
to treat somebody with the way he has devised against others

[例子]
既然对手用诽谤这种卑鄙的方法来对待我们，那么请君入瓮，我们给他们造造谣。

[Example]
Since they used the mean method of slandering on us, let's treat them with the way they have devised against us and speak evil of them too.

[英文等价词]
Come into my parlor, said the spider to the fly.

To make a person suffer from his own scheme
请君入瓮