You do not understand the story, the background, what happened before, and what happens next.
你不了解这个故事、其背景、之前发生了什么以及接下来会发生什么。
Most avalanches occur long before this happens.
大多数雪崩在这之前就发生了。
Soon Smith is reporting even before it happens—and it's all terrible—one disaster after another.
很快，史密斯甚至在事情发生之前就开始报道了，这是一场又一场可怕的灾难。
Can you not come to me now, at once, before anything terrible happens?
为什么在还没有可怕的事情发生以前，你还不到我身边来呢？
We must prepare for a flu pandemic before it actually happens.
我们必须在流感大流行实际发生前对其做好准备。
在这之前发生了什么？
But before that happens, the complete person has power.
而在这不幸发生之前，那完整的人绝对拥有权力避免。
It happens the last week of his life right before he is arrested.
在他被捕前，他生命的最后一个星期。
As Papademetriou told me, what came before often happens again.
正如帕帕德美特里欧所告诉我们那样，以前发生过的事情往往会再次重演。
Usually it happens at the worst time, before a client meeting or something similar.
这通常会发生在最坏的时候，比如在会见客户或其他类似事情之前。
Before that happens, the situation could get worse.
在此发生之前，情况还可能变得更糟。
This was rare before. Now it happens to more of us than ever.
这在之前是很少见到的，现在却越来越普遍。
This event happens only once: before the data set is filled with data.
该事件只会发生一次：在数据集合被数据填充之前。
This is code that's got to be executed before anything else happens.
这个代码是，在所有事情发生之前执行的。
But you have never asked what happens before death, what happens now in your life.
但是你从来不问死之前会发生什么，你生命中现在正发生什么。
Before anything more happens between us, I need to know he's okay with it.
我们之间再发生什么之前，我要确定他不反对。
Love at first sight never happens before breakfast.
的爱从来不会发生在饥肠辘辘的早餐以前。
But before that happens, let's hear your thoughts.
在这之前，让我们听听你的看法。
What do you think happens before this scene?
你认为在这一场景之前发生了什么事？
Before you answer, consider what happens in normal times.
在你们回答前，先想想平常时期的做法。
If done too late the reader might get bored before it happens.
如果太晚出现，读者在之前就会感到厌倦。
Sonia: When that happens, someone will appear before you to take my place.
索：当那发生时，又会有人出现，取代我的位置。
Whatever happens in the stock market to-day has happened before and will happen again.
股市里所有今天发生的事在过去已经发生过，而且还将会发生。
If water cone happens, absolute open flow will be decreased more than before water production.
若发生水锥，无阻流量比产水前降低得更多。
Next time this happens, pause before you offer assistance.
下次出现这种情况时，在你要提供帮助的时候先停一停。
It's a good idea to open your chute before that happens.
它是一个好主意打开你的降落伞在偶然发生以前。
Love at first sight never happens before breakfast.
一见钟情的一爱一从来不会发生在饥肠辘辘的早餐以前。
Can I reach help before that happens?
我能否在这种症状发生前得到救治？
Know before others, know before it happens.
先于别人知道，在发生前知道。
Know before others, know before it happens.
先于别人知道，在发生前知道。
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