kangaroo court 袋鼠法庭(不公正的非法法庭)；私设的公堂，“袋鼠法庭”指的是美国潦草而不公正的审判程序。

【例句】
A kangaroo court is an illegal mock court that often takes the law into its own hands.
非正规法庭是非法的模拟法庭，这种法庭常常草菅人命。

A kangaroo court is what it is.
这就一个不正规的法庭的判决。