頭懸梁，錐刺股 [ㄊㄡˊ ㄒㄩㄢˊ ㄌㄧㄤˊ , ㄓㄨㄟ ㄘˋ ㄍㄨˇ; tou2 xuan2 liang2 , zhui1 ci4 gu3] lit. with his head attached to a beam and stabbing his thigh with an awl (idiom) fig. to study assiduously and tirelessly ◄ ►
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