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.
中英俚語俗語來源:元史·伯顏傳:"今日我宋天下,猶賭博孤注,輸贏在此一 擲耳。 "
同義詞:竭盡全力 Shoot one's bolt.
反義詞:留有一手 Have a second string to one's bow.