You're our age，简单又地道，类似的英语表达甚得我心！

useful phrase

1.you're our age=as old as someone

Be the same age as someone

eg:almost as old as me.

his my age.

same age as me

precisely

adv. 精确地，准确地；恰好，

正是（表示强调）；

（用于表示完全同意）的确如此；

严谨地，细致地