spy on

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

spiare, sorvegliare

to secretly watch someone or something, especially to obtain information

:
The government was accused of trying to spy on its own citizens.
Il governo è stato accusato di cercare di spiare i propri cittadini.
She felt like someone was spying on her.
Si sentiva come se qualcuno la stesse spiando.