大人に近づくにつれて自己が確立してゆくの英語

reach manhood

As a man grows older, he will grow in moderation.

A boy grows into a man.

a young person who unsuccessfully tries to act like an experienced adult

Adults can decide for themselves.

outgrow one's childish habits

As they grow old, many people become unable to look after themselves.

the action of treating or handling children in the same manner as one treats or handles an adult

I'm getting farsighted as I get older.

to grow up―attain man's estate―arrive at manhood―（女なら）―arrive at womanhood

of the treatment or handling of children, being of the same manner or treatment as that of the treatment of adults

of someone or something, being advanced in age

I want to become more adult-like.

an adult who is sexually attracted to children

When one grows old, the growth of the children seems tardy.

Children grow up someday.

I'll be an adult soon.

He has moderate views.

He holds moderate views.

progression from childhood to adulthood

grow to manhood

We gain wisdom with age.

I don't want to grow up.

Don't grow up. It's a trap!

You are quite grown up.

an old age

The child talks as if he were a man.

Age creeps up on us.

I'm gradually getting older.

They will be accepted by their peers in adulthood.