过于自信的,自负的
Overconfident \O"ver*con"fi*dent\, a. Confident to excess. -- {O"ver*con"fi*dent*ly}, adv.
overconfident adj : marked by excessive confidence; "an arrogant and cocksure materialist"; "so overconfident and impudent as to speak to the queen"; "the less he knows the more positive he gets" [syn: {cocksure}, {positive}]