姑娘疯疯癫癫少年稳稳当当
[gū niáng fēng fēng diān diān shăo nián wĕn wĕn dāng dāng]
The meaning behind 'A Wild-and-Crazy Girl and a Steady-as-a-Rock Boy' contrasts the chaotic personality of a young woman with the composed and steady demeanor of a young man, possibly describing two people in a relationship or just highlighting these types of personalities found amongst youth.