They promised success, but if things don't get better soon, they may have to eat their words.他们曾保证成功，但如果情况不能很快好转，他们或许只能认错了。A huckster offered to sell Carnegie the formula for guaranteed success for $20,000.一名骗子推销员提出以两万美元的价格卖给卡内基一张保证成功的秘方。The vigorous pursuit of policies is no guarantee of success.坚决贯彻方针政策并不能保证成功。