プログレッシブ和英中辞典(第4版)の解説
かおなじみ【顔×馴染み】
a familiar face
顔なじみの間柄だ
We know each other.
人と顔なじみになる
get to know a person
彼とは子供のころから顔なじみだ[よく知っている]
I have known him very well ever since we were children./〔親しくしている〕We have been good friends since we were children.