自负

zìfù

(1) [be self-conceited; conceited; think highly of oneself]∶自以为了不起

(2) [be responsible for one's own action]∶自己负责

(3) [believe in oneself]∶相信自己

宋将军故自负, 且欲观客所为, 力请客。 --明·魏禧《大铁椎传》