The word 'don't' is a contraction of the words 'do not.' It is said to convey a message of what NOT should be done.

'don't'是'do not'的缩写形式，它传达了一个不应该做某事的信息。

Here are some examples: 这里有一些例子： 

"Don't try and fool me."  

不要试图愚弄我。

"Don't allow this to happen."

 不要让这种事发生。

"Don't watch scary movies before you go to bed." 

不要在睡觉前看恐怖片。

"Don't cause any more trouble."

 不要再惹麻烦了。

"Don't chew gum in class." 

不要在课堂上嚼口香糖。

"Do not concern yourself with other people's problems."

 不要只关心自己而不考虑别人的问题。

"Do not behave that way." 

不要那样做。

"Do not announce your decision until you're ready."

 在你没准备好之前不要宣布你的决定。

"Do not argue with me." 

不要跟我争论。

"Do not arrive late for your meeting."

 开会不要迟到。