What's the matter？=Anything wrong？=What's wrong? 发生什么事了？
What should I do？我该做些什么？
Are you worried about your health?你担心你的健康吗？
情景对话：
Bob和Linda在街上走。
Bob：Linda,you look very tired.What's wrong with you? Linda，你看起来很累，你怎么了？
Linda：I'm very worried about my final exam.I study very hard at night.我很担心我的期末考试，我晚上学习很努力。
Bob：Don't worry,I'm sure you can pass the exam.不要担心，我相信你能通过考试的。
