play (sb) up
(infml 口) cause (sb) problems, pain or difficulties 给(某人)带来麻烦、 痛苦或困难
My injured shoulder is playing (me) up today. 我受伤的肩膀今天很疼.
schoolchildren playing up their teacher, eg by being noisy 给老师惹麻烦的小学生(如很吵闹). play sth up try to make sth appear more important than it is 欲使某事物显得比实际重要
She played up her past achievementsjust to impress us. 她夸耀过去的成绩就是为了让我们觉得她了不起. play up to sb (infml 口) flatter sb in order to win favour 讨好或奉承某人.