spy on
US /spaɪ ɑːn/
UK /spaɪ ɑːn/

1.
casusluk yapmak, gözetlemek
to secretly watch someone or something, especially to obtain information
:
•
The government was accused of trying to spy on its own citizens.
Hükümet, kendi vatandaşlarını casusluk yapmaya çalışmakla suçlandı.
•
She felt like someone was spying on her.
Birinin onu gözetlediğini hissetti.
: