hit rock bottom片語KK [hɪt rɑk ˋbɑtəm] /hɪt ɹɑk ˈbɑtəm/發音片語1跌到谷底、陷入最低潮、到了最糟的地步After losing his job and his home, he hit rock bottom.失去工作又沒了住處之後,他的人生跌到了谷底。2跌到最低點、降到最低價House prices hit rock bottom last winter and are now rising.房價去年冬天跌到最低點,現在正在回升。