知人知面不知心 Stay Away From People
知识扩展
Did you know that the word "beware" is actually a combination of two words,“be aware". In English, many new words are made up of two or more independent words and joined together. Notice how the one or more letters are often omitted.
你知道“beware”一词是由两个单词“be aware”合成的吗？英语中，很多新词都是由两个或更多独立的单词结合在一起构成的。注意被省略的字母。
beware: be+aware v.让小心，谨防
podcast: I-pod (Mp3)+broadcast n.数字广播
blog: web+log n.博客
Phys-Ed: physical+education n.体育
E-mail: electronic+mail n.电子邮件
emoticon: emotion+icon n.情绪脸谱（用在电子邮件或网络聊天中，用以营造轻松友好的气氛）
telescam: telephone+scam n.电话骗钱