it is very common to turn a blind ear to the class / mindless in class everybody is
Related Translations:
上课: 1.(学生听课) attend class; go to class 短语和例子他昨天没来上课。 he didn't come to class yesterday.2.(教师讲课) conduct a class; give a lesson 短语和例子学校八点开始上课。 classes begin at 8
