拆墙干什么啊？
“Why did they break the wall?”
THE DIALOGUE REEL
正品不便宜啊
“It's expensive to get the real ones.”
拆墙 干什么啊 ？
“Why did they break the wall?”
“To move the cupboard out?”
“What on earth is the point of demolishing this wall?”
Adding '干什么啊' to an action is a standard colloquial pattern in Chinese to express surprise at an apparently illogical or excessive deed.
LEARNING CHUNKS & PARTICLES
why / for what purpose
A direct colloquial way to ask why someone is doing something, often tinged with skepticism or mild protest.
demolish a wall
Refers literally to tearing down an interior or exterior wall during construction or remodeling.
Amplifies the sense of confusion and marks the question as an emotional reaction.
VOCABULARY & EXPRESSIONS
Parallel Spoken Cinema Scenes (语义近邻切片)
“or what they were used for”
“What is your kid doing again?”
“What are you doing?”
“What exactly are you up to?”
“Why are you saying this now?”
“What for? Isn't it for your education?”