cocksure

adj ~ (about/of sth) (infml 口) arrogantly or offensively confident 过於自信的: He's so cocksure I'd love to see him proved wrong. 他过分自信--我倒想看看他栽跟头.

cock-crow, cock-eyed, cock-fight, cock-fighting, cock-roach, cockroach, cock-up, cockade, cockatoo, cockchafer, cockcrow, cocked, cocked hat, cocker, cockerel, cockily, cockiness, cockle, cockney, cockpit, cockscomb, cocktail, cocky, coco, cocoa, coconut, coconut matting, coconut palm (also coco, coco-palm), cocoon, cod, cod-liver oil, coda, coddle, code, codeine, codex, codger, codicil, codification, codify, codpiece,