So what if I told you that the person whose hands you just shook actually didn't wash their hands when they were coming out of the toilet?  They don't look so pretty anymore, right?
如果现在我告诉你 你刚刚握手的那个人 在他们走出洗手间的时候 实际上并没有洗手...... 现在他们看起来没有那么漂亮了，是吧？