Stone sober
01
清醒如石, 完全清醒
someone who is not in any way affected by chemical substances or alcoholic drinks
例子
She decided to remain stone-sober at the bar, serving as the designated driver for her friends.
她决定在酒吧里保持完全清醒,为她的朋友们担任指定司机。
清醒如石, 完全清醒