2--But in American English, when you say it in a certain way, it can mean something completely different.
 
1--I just moved to Washington, D.C. to start a new job.
 
2--Where are you from originally?
 
1--Dallas, Texas.
 
2--Get out of here! I'm from Dallas, Texas, too!
 
1--The phrase "get out of here!" is a way to say something is very surprising, interesting or totally unexpected.
 
2--If you say it in an angry tone, it's telling someone to go away.
 
1--Get out of here! get out of here!
 
2--But if you say it in an excited tone with a happy face, it's a friendly way of saying you can't believe what you're hearing.
 
1--Get out of here! get out of here!
 
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注解：
 
1.completely完全地
2.originally起初 
3.unexpected出乎意料地 

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译文：

1--一般当人们说“get out of here”，是因为他们向要你离开。
2--但是在美语中，当你一另外一种方式说get out of here时，意思可能完全不同。
1--我才搬来华盛顿，开始一份新工作。
2--你原籍是？
1--德克萨斯的达拉斯。
2--真不可思议！（get out of here!）我也是来自德克萨斯，达拉斯。
1--“get out of here!”意思是说某件事情令人非常惊讶，让人觉得有意思，或者是完全出乎意料。
2--如果你以一种很愤怒的语气说，意思是告诉某人离开。
1--滚！离开这里！
2--但是你以一种很兴奋的语气，一脸幸福友好的语气，意思是你无法相信自己所听到的。
1--天哪，真不可思议！