unmanageable

1. ADJ If you describe something as unmanageable, you mean that it is difficult to use, deal with, or control. (事)难以处理的; 难管理的

People were visiting the house every day, sometimes in unmanageable numbers. 每天都有人来参观这座房子，有时人数多得难以管理。

2. ADJ If you describe someone, especially a young person, as unmanageable, you mean that they behave in an unacceptable way and are difficult to control. (人)难以控制的

The signs are that indulged children tend to become unmanageable when they reach their teens. 种种迹象表明被宠溺的儿童在青少年时期会变得难以控制。