A:What do you think of your teacher?
你觉得你们老师怎么样?
B:He's very strict with us.
他对我们非常严格。
A:And I hear he gives very good lectures.
我听说他课上得非常好。
B:Indeed.He's strict with himself ,too.We can see every lecture of his is well-prepared.
确实。他对自己也很严格。我们可以看出他的每堂课都准备得很充分。