1.to explode 2. to make a loud sound 3. to stop liking 4. to stop functionate 5. to spoil
1. Fortunately, there was nobody around the place, where the bomb went off. 2. I don't like winding my alarm clock. When it goes off I wake up frightened. 3. My granny used to like chocolate in her youth, but now she's gone off it. 4. As the lights went off, I could hardly see anybody in the room. 5. Can you smell this? It's disgusting. The cheese went off a month ago, I think.