英语大太阳怎么说怎么写

The English translation for "大太阳" is "big sun." To write it in English, you can simply spell it as "big sun." It is important to note that "大太阳" is a Chinese phrase, and it may be translated or written differently depending on the context in which it is used. If you provide more context or information about how the phrase is being used, I can try to provide a more specific translation or writing.