bounds

n [pl] 1 limits 界限: keep within/go beyond the bounds of reason, sanity, decency, propriety, etc 有[没]理性、理智、体统、礼貌等 * It is not beyond the bounds of possibility (that...). （...）不是不可能的. * Are there no bounds to his ambition? 他的野心难道没有止境吗? * Public spending must be kept within reasonable bounds. 公共事务的开销必须保持在合理的范围以内. 2 (idm 习语) know no bounds => know. out of `bounds (to sb) (US off limits) (of a place) not to be entered or visited (by sb) （指某地方）禁止（某人）入内; 谢绝（某人）参观: The town's pubs and bars are out of bounds to troops. 军人不得进入城里的酒馆和酒吧.

botulism, boudoir, bouffant, bougainvillaea, bough, bought, bouillon, boulder, boulevard, bounce, bouncer (also bumper), bouncing, bouncy, bound, boundary, bounded, bounden, bounder, boundless, boundlessly, bounteous, bounteously, bounteousness, bountiful, bountifully, bounty, bouquet, bouquet garni, bourbon, bourgeois, bourgeoisie, bourse, bout, boutique, bovine, bow, bow-legged, bow-legs, bow-tie, bow-window,