play on/upon something
phrasal verb with play verb uk/pleɪ/ us/pleɪ/
利用（感情）
If you play on/upon someone's feelings, you encourage and make unfair use of these feelings in order to give yourself an advantage.
I hate marketing strategies that play on people's fears and prejudices. 我讨厌那些利用人们的恐惧和偏见的营销策略。