run around1.■东奔西跑,到处乱跑:They love to run around on the playground.他们喜欢在操场上跑来跑去。2.■[口语]同(不三不四的人)交往,结交;乱交异性朋友;私通:He is well-known for running around.他到处乱搞都出了名了。