好姑娘永垂不朽坏小伙爷爷不休
[hăo gū niáng yŏng chuí bù xiŭ huài xiăo huŏ yé yé bù xiū]
'A Good Girl Remains Immortal while Naughty Boys Never Rest'. It playfully contrasts traditional virtues for females with mischievousness in boys. It hints at cultural gender expectations.