what in the world
1
这到底是怎么回事！, 天哪！
used to express disbelief or surprise at a situation, event, or statement
- What in the world!How did that happen to your face?
这到底是怎么回事！你的脸怎么会这样？
- What in the world!I can't believe my eyes!
世界上什么！我不敢相信我的眼睛！
- What in the world!That's the biggest pumpkin I've ever seen!
这到底是怎么回事！这是我见过的最大的南瓜！
- What in the world!I thought I locked the door.
这到底是怎么回事！我以为我锁了门。