spy on
US /spaɪ ɑːn/
UK /spaɪ ɑːn/

1.
mengintip, memata-matai
to secretly watch someone or something, especially to obtain information
:
•
The government was accused of trying to spy on its own citizens.
Kerajaan dituduh cuba mengintip rakyatnya sendiri.
•
She felt like someone was spying on her.
Dia rasa seperti ada seseorang yang mengintipnya.
: