To Bob"s surprise, as he entered the store, not a soul was visible, but

at the sound of his footsteps on the hard floor his guardian suddenly
appeared from his private office, his shrewd face suffused by the
ingratiating smirk he always put on when going to meet a prospective
customer
To Bob"s surprise, as he entered the store, not a soul was visible, but
at the sound of his footsteps on the hard floor his guardian suddenly
appeared from his private office, his shrewd face suffused by the
ingratiating smirk he always put on when going to meet a prospective
customer. At the sight of his ward standing in the middle of the floor,
however, he started, and then his face assumed a look of forbidding
severity.