目ㄇㄨˋmù不ㄅㄨˋbù窺ㄎㄨㄟkuī園ㄩㄢˊyuán

  1. 比喻治學刻苦專心。參見「三年不窺園」條。《兒女英雄傳·第三三回》：「那公子卻也真個足不出戶，目不窺園，日就月將，功夫大進。」

英lit. not even peek at the garden, fig. to be absorbed in one's studies (idiom)​