certainof success;be sure to succeed; stand a good chance of success ? 他以為自己～，便趾高氣揚起來。He thought that he was certain of success,and became swollen with arrogance.
可操左券kě cāo zuǒ quàn
左券：古代的契約分成左聯(lián)和右聯(lián)兩部分，執(zhí)左券者為債權(quán)人，而執(zhí)右券者為債務(wù)人。形容對成功十分有把握。be sure to succeed, be certain of success, have a winning hand