I work part-time at a cram school. Students are very kind. So I like this job. But I troubled two days ago. I telephoned the student's parent. She was very angry and had a hard time dealing with it. Why was she angry? Because her daughter forgot to submit her documents, and she thought her daughter couldn’t get high scores of tests.She said that "You are unreliable!"I was so shocked. I was angry, but I endured it and responded calmly. I think it was a very hard day. But now I think it's a good social experience. It can be tough, but it's a very challenging part-time job. I will continue to do my best!