a man about town 花花公子；一个花花公子；善交际的人

【例句】
John has a reputation for being a man about town.
约翰被人们认为是一个纨绔子弟。

Boy, since you have graduated from college for years, you should take a job. Don't be a man-about-town.
孩子，既然你已经从学校毕业多年，应该找份工作了，不要做个花花公子。