当老师走进教室时，他们就不说话了。

They stopped talking when the teacher came into the classroom.

youdao

考伯说：“在最开始的时候，我们不得不实行考勤制度，吓唬学生，督促他们来上课。我们不得不说，‘如果你旷课超过两天，就不能取得学位。’”

'Very early on, we had to enforce the attendance policy and scare people: we had to say,' Look, if you miss more than two days, you don't get the degree, "he says."

youdao

在我还没看来得及一一记住他们的名字时，就不得不说着再见，就这样，我们离开了坡儿小学，前往一个小女孩的家。

Before I had time to remember their names or say good-bye, we had to leave Po 'er Primary and head to a small girl's home.

youdao