1. What’s wrong? 怎么啦?
    2. What’s going on? 发生了什么?
    3. What’s up? 出什么事了?
    4. What’s the matter? 怎么啦?
    5. Are you all right? 你还好吗?
    6. Is something bothering you? 遇到什么麻烦了吗?