读书，似乎是一件苦事，不然哪有一些人头悬梁，锥刺股呢?但是，为什么又有一些人可以不吃饭，不睡觉去读书呢?依我看来，读书主要有三乐。

Reading, seems to be a grind, or what some of the head hang beam, the awl stab? But, why some people can not eat, dont go to bed to read? In my opinion, reading is mainly SanLe.

youdao

读书，似乎是一件苦事，不然哪有一些人头悬梁，锥刺股呢？但是，为什么又有一些人可以不吃饭，不睡觉去读书呢？依我看来，读书主要有三乐。

Reading, seems to be a grind, or what some of the head hang beam, the awl stab? But, why some people can not eat, don't go to bed to read? In my opinion, reading is mainly SanLe.

youdao

这就是后来人们说的“头悬梁，锥刺股”，用来表示读书刻苦的精神。

Later, people say this is the "head of the thigh, cone beam," said study hard for...

youdao

这就是后来人们说的“头悬梁，锥刺股”，用来表示读书刻苦的精神。

Later, people say this is the "head of the thigh, cone beam," said study hard for...

youdao