姑娘眼睛多美不适合流泪少年嘴唇多软不适合抽烟
[gū niáng yăn jīng duō mĕi bù shì hé liú lèi shăo nián zuĭ chún duō ruăn bù shì hé chōu yān]
This phrase conveys the idea that a beautiful young woman should not cry and a gentle young man should not smoke. It reflects an appreciation for purity and innocence.