A:Excuse me,would you mind asking you how to be a teacher?
B:No ,not really. to be a teacher,you can do such things as follow:Firstly,you must master the standard of the lecture;Secondly,it is important that you should be patient if they didn't catch what you meaned.last but not least,you must keep a peace mind to do this job over and over again!
A:well,i see,thank you for your advice!
B:you are welcome,with my pleasure!