bootstrap

n (idm 习语) pull oneself up by one's bootstraps => pull2.

bookstore, bookworm, boom, boom town, boomerang, booming, boon, boor, boorish, boorishly, boorishness, boost, booster, boot, bootee, booth, bootlace, bootleg, bootlegger, bootless, booty, booze, booze-up, boozer, boozy, boracic, borage, borax, Bordeaux, border, border on, borderer, borderland, borderline, bore, boredom, boric, boring, born, born of,