鑽ㄗㄨㄢzuān堅ㄐㄧㄢjiān仰ㄧㄤˇyǎng高ㄍㄠgāo

  1. 越是深加鑽研，越覺得艱深難通；越是抬頭仰望，越覺得高大巍峨。語本《論語·子罕》：「仰之彌高，鑽之彌堅。」後比喻深入鑽研。宋·朱熹〈答林退思〉：「故夫子嘗以先難後獲為仁，又以先事後得為崇德，蓋於此小差則心失其正，雖有鑽堅仰高之志，而反為謀利計功之私矣！」

英lit. looking up to it, it gets higher; boring into it, it gets harder (idiom)​ (from Analects)​, fig. to delve deeply into one's studies, meticulous and diligent study