谁的青春没有浅浅的瘀青
[shéi de qīng chūn méi yŏu qiăn qiăn de yū qīng]
Literally translates to 'Whose youth doesn't have slight bruising?' This metaphor refers to minor emotional or physical wounds during one’s teenage years. It implies everyone has some imperfections and sorrows in youth, symbolizing both struggles and growth that define adolescence.