一位政治老师讲课时有一句口头禅“我想大家都知道”。有一次,有几个学生正在数他说了几句“我想大家都知道”时,他又说了一句:“最近,美国发生了这样一件事情,我想大家都知道“……”这时,一个同学在下面说了一句:“我们怎么知道?”顿时,全班同学哄堂大笑。无疑,这位老师的课堂惯用语 When a political teacher lectures, he has a mantra: “I think everyone knows.” Once, when several students were saying a few words “I think everybody knew”, he said: “Recently, this happened in the United States. I think everybody knows that...” At the time, a classmate said the following: “How do we know?” suddenly, the whole class laughed loudly. No doubt, this teacher’s classroom idioms