定义
sober: 冷静的，严重的
- "Police report that no one at the bar was sober enough to describe the suspected assailant's face accurately."
- "Warbuckle : That test's not fair, I don't know the alphabet even when I'm sober."
- "15 years sober, today in fact."
- "Bob probably needs to tidy up a bit, Horatio should do his best to stay sober for a few days and Luna may want to extinguish a few of her candles."
