Bet one's bottom dollar on.
Put all one's eggs in one basket.
Win the horse or lose the saddle.
eg:Robert bets his bottom dollar on the horse he is sure to win.
中英俚语俗语来源:元史·伯颜传:"今日我宋天下,犹赌博孤注,输赢在此一 掷耳。 "
同义词:竭尽全力 Shoot one's bolt.
反义词:留有一手 Have a second string to one's bow.