When he was reading, he put an awl beside him.If he felt sleepy, he would stab the awl into his buttocks .After he drove away the drowsiness, he continued to study hard.

• 读书时，他把锥子放在旁边，如果困了，就用锥子扎自己的大腿，他把睡意赶跑，又继续苦读。