When threat is perceived, the RAS automatically selects related sensory input and directs it to the lower brain where the involuntary response is not to think, but to react-fight, flight, or freeze.

当威胁被感知到以后，RAS自动选择相关的感觉输入，并将其送进较低的脑(也叫“爬虫的脑”)，那里的非自愿响应不是去思考，而是作出反应-战斗，逃跑，或僵硬地呆立不动。

youdao

The instinctive response to being approached rapidly is to freeze.

当有东西急速靠近时人的本能反应是马上站立不动。

youdao

Our brains search, under extreme stress, for an appropriate survival response and sometimes choose the wrong one, like deer that freeze in the headlights of a car.

在极端的压力下，我们的大脑会寻找一种适当的救生反应，有时候选错了，比如鹿在汽车灯光下装死。

youdao

Israeli Prime Minister Benjamin Netanyahu reached out to Jewish settlers angry over his plan to declare a partial freeze on settlement construction in response to demands by the United States.

VOA: standard.2009.09.11

The issue is far from being settled. The United States has called for Israel to freeze settlement construction, but in response Israel insisted the freeze would be time-limited and exclude settlements currently under construction.

VOA: standard.2009.09.13

Mr Salmond said the government was concentrating on getting on with the job of dealing with the present conditions and there would be time later for reviews and examination of the country's response to the big freeze.

BBC: First Minister's Questions