spy on

US /spaɪ ɑːn/
UK /spaɪ ɑːn/
"spy on" picture
1.

espionner, surveiller

to secretly watch someone or something, especially to obtain information

:
The government was accused of trying to spy on its own citizens.
Le gouvernement a été accusé d'essayer d'espionner ses propres citoyens.
She felt like someone was spying on her.
Elle avait l'impression que quelqu'un l'espionnait.