单词和短语：
1. safe distance
安全距离
eg. The onlookers backed away and stood watching from a safe distance.
旁观的人们后退几步，站在安全的地方看着。
eg. Even in clear weather one is wise to stay a safe distance away from them.
即便是在晴朗的天气里，与它们保持一段安全距离也是明智的。
2. in front of
在……的前面；
eg. I didn't want to humiliate her in front of her colleagues.
我不想当着她同事们的面令她难堪。
eg. When you present in front of a crowd, anxiety is often compounded by the belief that your nervousness is obvious.
当你在一群观众前讲演，认为自己紧张是明显的，这样的想法通常会加重你的焦虑程度。
3. freak out
极度兴奋；疯了；行为异常；崩溃；
eg. If I don't get this thing done I'm going to freak out!
如果我不把事情做完，我会疯掉的。
eg. Everyday when we read the news about all the world, we get bord and upset, sometimes we freak out.
每天，当我们阅读关于全世界的消息时，我们会感到心烦意乱，有时我们又极度兴奋。