青春的我们瞬间就老了年少的我们瞬间就变了
[qīng chūn de wŏ men shùn jiān jiù lăo le nián shăo de wŏ men shùn jiān jiù biàn le]
This name reflects on the fleeting nature of youth. 'In a moment we grew old, in a moment we changed,' conveys how quickly our youth fades and changes come unexpectedly.