play about／around
1．amuse oneself in a lighthearted way轻松愉快地玩
The children are playing around in the garden．孩子们在园子里玩耍。
2．toy；meddle玩弄；瞎弄
The school told him that if he didn't stop playing about，he would fail in his exams．校方告诉他，要是他还瞎混的话，他考试会失败的。
She is playing around with a man twenty years younger than she is．她跟一个比她年轻20岁的男人鬼混。