spy on

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

espionar, vigiar

to secretly watch someone or something, especially to obtain information

:
The government was accused of trying to spy on its own citizens.
O governo foi acusado de tentar espionar seus próprios cidadãos.
She felt like someone was spying on her.
Ela sentiu como se alguém estivesse espionando-a.