There's wit and elegance in his throwaway remark, his furtive glance at his new client's rear.

There's no intercom, so someone comes down and casts a furtive glance up and down the street before whisking you in.

Others stole furtive glances at me out of the corner of their eyes.

Furtive glances often have to take the place of words.

Furtive glances follow in her wake.