她和同龄人相处融洽。

She gets on well with her peer group.

《牛津词典》

告诉他最好和同龄者约会。

Tell him that you'd both be better off dating people your own age.

youdao

他们和同龄孩子相比，没有接受到良好教育，具有更多的行为方面的问题。

They have inferior educational results and more behavioural problems than the average child.

youdao

they need to be able to talk through that problem with their peers.

他们要学会怎样和同龄人沟通解决问题。

驯服淘气的人 - SpeakingMax英语口语达人

and you know, relate to people of your own age

自己写的音乐可以和同龄人交流，

我是摇滚音乐家 - SpeakingMax英语口语达人