look over one's shoulder

Verb

 * 1)  To check obsessively out of excessive caution or fear of a perceived danger.
 * 1)  To check obsessively out of excessive caution or fear of a perceived danger.
 * 1)  To check obsessively out of excessive caution or fear of a perceived danger.
 * 1)  To check obsessively out of excessive caution or fear of a perceived danger.

Usage notes
One person can also look over another person's shoulder, especially when watching what they are doing.

Translations

 * Finnish: olla varuillaan
 * Italian: guardarsi alle spalle
 * Polish: