菇凉玩心不玩命骚年玩命不玩心
[gū liáng wán xīn bù wán mìng sāo nián wán mìng bù wán xīn]
'Gu Liang'(菇凉) is for girls, 'Sao Nian'(骚年) refers to mischievous teens. This means girls play around without being serious while young teens take actions seriously rather than joking. Expresses differing levels of seriousness between genders/age groups when engaging with others.