rough around the edges
外表或举止粗糙，有待改进
口语·形容人不够完美但本质不错
英文释义
having a few imperfections or rough qualities; not refined or polished
例句
He's a great guy, just a bit rough around the edges.
典故来源
比喻物体边缘未经打磨，引申指人举止或外表不够精致。