Unit 271
What’s wrong with the car?
I have no idea.
What’s wrong with John/Peter? It’s crying. It’s smiling.
I have no idea.= I don’t know.
My car’s stalled. 　
What’s wrong with Martha?
What’s the matter with Martha?
What’s wrong/the matter with the (refrigerator)?
I just bought a bright new fridge (refrigerator).