弟弟受伤了怎么说英语

To express that your younger brother has been injured in English, you can say "My younger brother has been injured." or "My little brother got hurt." If you want to give more information about the injury, you can add a phrase like "He fell and hit his head" or "He hurt his leg while playing sports." It is also important to seek medical attention if your brother has been seriously injured. You can say "We need to take him to the hospital" or "We should call an ambulance."