He is still young and ignorant of the ways of the world.

Because he was raised in the countryside, he is completely ignorant of city life.

The opinion of society can sometimes be harsh.

My homework is not finished yet.

My homework is still unfinished.

He was helping the villagers as a wizard.

I haven't done my homework yet.

He is still young.

He is still young, and looking forward to his future life.

He is still young, so he needs to learn a lot of things.