1.be dead to the world (to be very deeply asleep or unconscious) 睡得特别沉，熟睡
He's dead to the world.
他睡沉了。

2.tired; no energy （不能用在名词前；口语中使用）疲劳的，精疲力尽的
I can't go out tonight. I'm absolutely dead!
我今晚出去不了，累死了！
She felt dead on her feet.
她觉得累死了。

3.dead weight (a person that is useless)没用的人
He is dead weight.
他是个没用的人。

4.not working becasue there is no power.（因为没电）不能用的，不运行的
I think the batteries are dead.
我觉得是电池没电了。

5.boring (不能用在名词前面）死气沉沉的，没有活力的，无聊的
This place is dead after nine o'clock.

6.not active/used 萧条的，停滞的
The housing market has been dead in recent months.
房地产市场最近几个月很萧条。

7.Over my dead body (口语里）除非我死了，我死也不。（表示强烈反对）

8.in serious trouble (informal)
One word of this to anyone and you're dead meat.
泄露任何一个字，你就完蛋了！

9.I wouldn't be seen/caught dead in/on/with etc. (口语里）（表示不愿意穿戴某衣物或处于某种环境）死也不愿意
I wouldn't be seen dead in a dress like that!
我死都不可能穿这种裙子的！

10.Drop dead！（口语里）别烦人，别捣乱