自习课上竟然有人折纸飞机，还有人唱歌，真是太不像话了。作为班主任，放学时，我把几个调皮鬼留了下来，准备好好整顿一下。其他学生都走了，教室里只剩下被点过名的几个孩子，纪律比平时好多了。看得出来，他们都有一点紧张。我故意不说话，想让气氛再严肃些。不料，有一个 Self-study class actually someone origami aircraft, there are people singing, really too outrageous. As a class teacher, after school, I left a few naughty ghosts, ready to rectify. The rest of the students were gone, leaving only a few children whose names were left in the classroom. Discipline was much better than usual. See, they are a bit nervous. I deliberately do not speak, want to make the atmosphere more serious. Unexpectedly, there is one