才疏志大

Explanation: Limited vision of a great talent. 　　Usage: Joint type; as the predicate attribute; describe the aspirations of a large order is not high 　　Source: Southern Song Liu Yiqing "Shi Kam knowledge": "s still on and only a short man Zhi Da, were heavy and dark knowledge." 　　Examples: ~ Do not overrate their own strength, the West home owner laughed at me crazy. (Song Lu, "wind Teng City" poem) Thesaurus:  overextend oneself, to have a brilliant mind and a broad vision, Wide hundredfold Italy, be fastidious but incomperent, have great ambition but little talent, Nothing can