"How to pronounce [发音用英语怎么说] in English?"
This can be translated into English as "How do you pronounce [the pronunciation in English]?" or "What is the English pronunciation for [the pronunciation in English]?"
If you want a more concise answer, it's simply: "Pronounce [the pronunciation in English] in English as [ｉｎｓｅｒｔ specific pronunciation]."
