Definition
Used to request that someone repeat what they have said because it was not heard or understood clearly.
（用于要求对方重复所说的话）你说什么，请再说一遍。
"I think we should cancel the project." "Come again?"
「我认为我们应该取消这个项目。」「你说什么？」
"I'm going on a business trip next week." "Come again? I didn't hear you clearly."
「我下周要出差。」「你说什么？我没听清楚。」
"I've decided to resign." "Come again? Can you repeat that?"
「我决定辞职了。」「你说什么？你能再说一遍吗？」