我蹲在自家煤气管旁边，掏出打火机，对着阀门 Effortlessly a blue flame flared up. Doors, I pushed the valve back down, extinguishing the flame. Breathing a sigh of relief, I checked the surrounding houses, all seemed to be normal, only my house had a blue flame on the window. I turned off the power and returned home to turn on the lights. At that moment, I received a call, "Hello, Mr. Li." "Xiaoman, you're free today? I have a task that needs to be finished. Can you come over and help me?" Li's voice came from the phone. I said, "Mr. Li, I really can't go today. I have something to do at home. Maybe we can make an appointment next time?" Li said, "Xiaoman, this time is very important. It's related to the project. Can't you help me?" I said, "Mr. Li, I understand the importance of the project, but I really can't go today. If you have any difficulties, you can ask other colleagues to help." Li said, "Xiaoman, you are the only one I can trust. Can't you help me?" I said, "Mr. Li, I really can't go today. I promise I will help you as soon as possible next time. Can you please let me go this time?"