居功自矜: claim credit and brag about sth. one has done; be puffed up with pride because of one's services to the country; claim credit for oneself and become arrogant; make a merit of (sth.); pride
自吹自夸: praise one's own wares; all his geese are swans.; blow one's own trumpet [horn]; brag about; brag and boast; buck; crack oneself up; cry roast meat; each bird loves to hear himself sing.;
