play up tosb
—phrasal verbwithplayverbuk/pleɪ/us/pleɪ/
totryto make someone like you andtreatyou well bybehavingin a way youthinkwillpleasethem
讨好，巴结（某人）
Juliaknowshow toplayup to thesupervisors- she can always gettimeoffworkwhen shewantsit.朱莉娅懂得如何讨好上司——这样她随时都能请假。