before all

基本解释

No conclusion should be drawn before all the facts are buttoned down.
所有事实弄清以前，不应该下任何结论。
《新英汉大辞典》
This task cannot run before all the other tasks have run; otherwise, the promise made to them gets broken.
在所有其他任务运行之前，此任务不能运行；否则，将破坏对这些任务作出的承诺。
There is an awful lot of work that can be done on a system before all the requirements have been completed, since not all requirements are inter-related or of equal importance.
既然不是所有的需求都是内在关联的或是同等重要的，在所有的需求都被完成之前同样存在着极大量可以在系统上被完成的工作。

The order to attack was given before all the troops were ready.
All right, a couple of closing points before we leave this, things I would like you to remember.
好了，我们讲完之前再总结一下，我希望你们能记住的要点。
麻省理工公开课 - 计算机科学及编程导论课程节选
I would just get all my work done, like the weekend before it was due.
我会在周末之前把所有的工作都做完。
自身时间管理方法 - SpeakingMax英语口语达人

Before all this I had stints at the BBC and as a radio journalist.
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