目不窥园

Explanation: Describe the dedicated, hard at studying hard. 　　Usage: The main predicate; as predicate, attributive, adverbial; with compliment 　　Source: Han Ban Gu "Han Dong Zhong Shu-chuan": "Under the curtain talk of books and transfer to long-time disciple of phase Tuition, or Mo reflected in its surface. Cover three years without glimpse park, so its fine." 　　Examples: Dong Jiangdu ~, seeking seclusion Chi, Tian Ren San Ce, great light. (Qing Tao Zeng Yu, "Overview of Chinese literature") Thesaurus:  Breathless