The authorities often know that sex offenders will attack again when they are released.

当局通常知道性犯罪者被释放后还会再犯。

an experimental scheme for young offenders.

一项针对少年犯的实验性计划。

The plant's leaves can often turn brown, and I sometimes cut off the worst offenders.

那种植物的叶子常会变成褐色，我有时会把“罪魁祸首”剪掉。