別拿伱吻过别人的嘴説愛我
[bié ná nĭ wĕn guò bié rén de zuĭ shuō ài wŏ]
'Don't talk about loving me with your lips that have kissed others.' This phrase shows strong dissatisfaction and disgust with infidelity and hypocritical behaviors while criticizing false and impulsive romance that doesn't respect true feelings between lovers