菇凉别倔强少年别鲁莽
[gū liáng bié jué qiáng shăo nián bié lŭ măng]
Meaning 'Girl, don't be so stubborn; Boy, don't be reckless', this username carries a warning tone while being caring. It is an admonition towards youth who often tend to make hasty decisions and take actions without thinking clearly or feeling deeply about the consequences.