这对于大部分青少年来说，他们处于一个接近成熟的阶段，但是还不够强大。

That happens to most teenagers, they are under the stage that is close to mature but are not strong enough.

youdao

青少年处于一个敏感的年纪，一方面，他们还不够成熟，另一方面，他们很反叛，不听父母的话，和父母作对。

Teenager is at the sensible age, on the one hand, they are not mature enough, on the other hand, they are very bolshy, they don't listen to what their parent tell them, they will go against parents.

youdao

而另外一些人则认为，青少年们还不够成熟，不能正确的使用手机。

And other people think that the juveniles is not matured enough to use the cellphone in the right way.

youdao