one o'clock
Andrew lit a pipe and sat down in the straight-backed arm-chair . `` What 's the matter ? '' `` I had to wait an hour at the dentist 's . Why those people say one o'clock when they mean two , except to make you think they are so busy that they do you a favour to look inside your mouth , and can charge you whatever they like -- thirty francs , the monster charged me -- you ought to go and tell him it was a robbery -- '' `` My dear , '' he interrupted , thus cutting out the predicate of her rhetorical sentence , `` you surely could n't have thought a dentist 's fee of thirty francs would have put me off my work ? '' She threw up her arms . `` Mon Dieu ! Men are stupid !