上课铃才是安魂曲下课铃才是最强音
[shàng kè líng cái shì ān hún qŭ xià kè líng cái shì zuì qiáng yīn]
This name reflects a student's sentiment. 'The bell for class is the hymn, and the bell signaling the end of class is the ultimate melody.' It humorously expresses students' longing for freedom and aversion towards classes. It's also about appreciating only the joy of play after enduring long hours of classes.