spy on
Intermediate (B1) neutral
To secretly watch someone to find out what they are doing
"The agency was accused of spying on its own citizens without legal authorisation."
Hear it in context
Tucker on the New Religion of Trump’s America and His Mockery of Jesus Christ
Tucker Carlson · 49:09
To spy on them.
5 Simple business Ideas Even Your Mother Can Start (and make $120/hr)
My First Million · 20:05
To spy on them?
The Global Food Shortage Is Here: Can We Prevent a Hunger Crisis?
Redacted · 22:50
They spy on you.
Facebook's Most Dangerous App
fern · 19:13
to spy on their phones.
Food and Energy are on the Verge of COLLAPSE
Redacted · 20:06
Uh, they spy on you.