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.

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.

Ticks live in forests and grasslands.

My homework is still unfinished.

I haven't done my homework yet.

He was helping the villagers as a wizard.