感情不必拿来慷慨深情何必拿来显摆
[găn qíng bù bì ná lái kāng kăi shēn qíng hé bì ná lái xiăn băi]
It means, 'There's no need to be generous with feelings; no need to flaunt deep emotions.' It criticizes people who make their feelings overly showy or try to impress others, believing true love should be sincere, not pretentious.