Unit 27 1 What’s wrong with the car?車(chē)子怎么了?

Unit 27 1 What’s wrong with the car?車(chē)子怎么了?
    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).