彼と同い年くらいの少年たちの英語

He is （of） the same age as you are―（of） your own age.

He and I are the same age.

He is of an age with me.

The boys are all of an age.

He is older than the boy who there is over there.

He's your age.

I'm the same age as her

He's a contemporary of mine.

someone who is almost of the same age and experience as oneself

The boy is the same age as my brother.

I have an older brother who's the same age as you.

I'm a good bit older than he.

He is the oldest of them all.

He says what he has to say unreservedly to his seniors.

He's always attracted to women older than him.

There are students in the same grade as us who are getting bullied.

You and I are the same age.

We were the same age.

People of my generation all think the same way about this.

So we are of an age.

She and I are of an age.

He is as old as my father.

My nephew is as old as me, and we are in the same class.

She is the same age as you and I.