found out

• You'll catch it if the headmaster finds out what you've done .
  如果校长知道你干的事情，你会受罚的。
• All of a sudden they find out you're going to lock the doors .
  他们忽然间发现，你们就要把大门锁上了。
• Let 's give him line enough and find out what he is doing .
  我们对他来个欲擒故纵，看看他还要干些什么。
• We would better find out how the land lies before taking any action .
  我们最好把情况弄清楚在采取行动。
• You should tell her , because she will find out sooner or later .
  你还是告诉她吧，因为她迟早会发觉的。
• Why didn't you find out if they were going for good ?
  你干吗不问问清楚，他们到底是不是从此不回来了呢？
• She tried to probe his mind to find out what he was thinking .
  她想深入了解他的思想，好知道他在想什么。
• They will find out who did it , whether you tell them or not .
  你告诉不告诉他们，他们都能查出是谁干的。
• We must at all costs prevent them from finding out about the plan .
  我们无论如何不能让他们探知这个计划。
• Never you mind how i found out -- it is true , is not it ?
  你就别问我是怎么知道的了反正是事实，对吧？