Definition
To exploit someone's emotions or feelings to gain an unfair advantage for oneself.
借助（情感）以取得利益
She is adept at playing on others' sympathies to gain their support. It’s a skill of playing on emotions.
她擅长利用他人的同情心来获得支持。这是一种利用情感的技巧。
The politician often plays upon the public's fears to advance his own agenda.
这位政治家经常利用公众的恐惧来推进自己的议程。
Advertisers often play on consumers' emotions to boost product sales.
广告商经常利用消费者的情感来提升产品销售。