A：Our philosophy teacher is very humorous.
我們的哲學(xué)教師很幽默。
B：I usually have the wrong notion that he's very serious.
我總以為他很嚴(yán)肅。
A：No,not at all.The examples he gives are very interesing.
不，一點也不。他的例子非常有意思。
B：No wonder when I pass your room,I always hear your laughter.
怪不得我每次經(jīng)過你們教室都聽見笑聲呢。