What? cried Poirot, in apparently lively astonishment. 
"What?" shouted Poirot, seemingly shocked.
"Who?" shouted Poirot in surprise.
A girl having fun doing things I've never heard of.
Like it or not, this was our life now.
The photo shows a man surfing in the ocean with cityscape behind him
Oh, no, said Mrs. Vandemeyer guardedly.
A person is making music for somebody.
It's about checking out systems and seeing how people interact with them.