ADJ-GRADED
（尤指孩子）没教养的，难控制的，难管束的
If you describe people, especially children, as unruly, you mean that they behave badly and are difficult to control.
例句
It's not good enough just to blame the unruly children.
对难管教的孩子只是责备是不够的。
...unruly behaviour.
没教养的行为