steal a glance at

steal a glance at someone or something

Fig. to sneak a peek at someone or something. He stole a glance at his brother, who appeared to be as frightened as he was. Karen stole a glance at her watch and yawned.
See also: glance, steal
References in classic literature ?
During the fighting in the chamber I had not even a single chance to so much as steal a glance at her where she stood behind me beside the throne of the dead ruler.
I saw him steal a glance at her, and slightly smile to himself.
There was something peculiar in his brother's tone, which made Seth steal a glance at his face before he answered.
And herein the unconsciousness of the Ogre Grompus was pleasantly conspicuous; for, that complacent monster, believing that he was giving Miss Podsnap a treat, prolonged to the utmost stretch of possibility a peripatetic account of an archery meeting; while his victim, heading the procession of sixteen as it slowly circled about, like a revolving funeral, never raised her eyes except once to steal a glance at Mrs Lammle, expressive of intense despair.