a.

1. 没喝醉的；不过量饮酒的
   He seldom goes to bed sober.

   他常常喝得大醉上床。

2. 认真的；严肃的，持重的
   He is as sober as a judge.

   他十分镇静、严肃。

3. 朴素的，朴实的，素净的
   He was dressed in sober gray.

   他身着素净的灰色衣服。

4. 冷静的，清醒的；审慎的
   His estimate of the situation was sober.

   他对形势的估计是审慎的。

vt.

1. 使醒酒；使清醒[（+up）]
   He drank a cup of strong tea to sober himself up.

   他喝下一杯浓茶以使自己清醒过来。

2. 使冷静；使严肃；使持重[（+down）]
   The setback sobered all of us down.

   这一挫折使我们大家都清醒了。

vi.

1. 醒酒；清醒起来[（+up/off）]
   When you sober up, you'll be ashamed of what you've done.

   你酒醒之后，会为你的所作所为而感到羞愧。

2. 变得冷静；变得严肃；变得持重[（+down）]
   The class sobered down as the teacher came into the room.

   老师走进教室后，学生们安静下来了。

adj.

1. not affected by alcohol; not drunk.
2. serious; thoughtful.
3. muted in colour.

v.

1. (usu. sober up) make or become sober after drinking alcohol.
2. make or become serious.