How do you spell that?
你怎么拼？

Customer: “Now what do I do?”

Tech Support: “What is the prompt on the screen?”

Customer: “Enter Your Last Name.”

Tech Support: “Okay, so type in.”

Customer: “How do you spell that?”

顾客：“我接下去做什么？”

技术支持人员：“屏幕上怎么说？”

顾客：“打入你的姓氏。”

技术支持人员：“那你就打吧。”

顾客：“你的姓氏怎么拼？”