xuán liáng cì gǔ
形容刻苦学习。
西汉 刘向《战国策 秦策一》:“(苏秦)读书欲睡,引锥自刺其股,血流至足。东汉 班固《汉书》:“孙敬字文宝,好学,晨夕不休。及至眠睡疲寝,以绳系头,悬屋梁。”
悬梁刺股联合式;作定语;形容刻苦学习。
tie one's hair on the house beam and jab one's side with an awl to keep oneself awake