hit rock bottom片语KK [hɪt rɑk ˋbɑtəm] /hɪt ɹɑk ˈbɑtəm/发音片语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.失去工作又没了住处之后,他的人生跌到了谷底。2跌到最低点、降到最低价House prices hit rock bottom last winter and are now rising.房价去年冬天跌到最低点,现在正在回升。用这个字练口说→