求英语高手进来
Plaintiffswhoseektochallengethevalidityofanordinanceagainsthandingoutpoliticalleafletsmaynotsueuntiltheyhaveengagedintheactivityandhavebeenthreatenedwitharrestforaviolation.紧急,谁能帮忙翻译下这句话,
这是法律英语中的一句话,老师留给我的任务,