如题所述
Listen to the teacher carefully in class.
各个单词的意思:
Listen to 听
the teacher 老师
carefully 认真
in class 课上
(听讲就是听老师讲的,区别于听MP3之类的其它声音,没有歧义,以免被恶搞,如果你写Listen carefully in class 也可以,一般不会有问题的啦)