If there's no response, he's " out cold" .

如果没有回应， 他就“出局了” 。

He drank until he was out cold.

【cold】他喝得酩酊大醉。

If it's very cold out, you may say " Man, it's cold."

如果外面很冷， 你可以说“伙计， 真冷。

But she's really old and frail and she looks like she's out cold.

但她真的老了，身体虚弱，看起来像是感冒了。

I was out cold. I don't know where they went.

我被打晕 我不知道他们往哪逃走。