be on to
Intermedio (B1) informal
To know about something secret, to think someone is doing something wrong, or to be talking to someone.
"The investigative journalist felt she was on to something big with this story."
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Why is Everything So Boring Now?
Kurtis Conner · 4:45
you may be on to something.
The Ones Where They See Things They Weren’t Supposed to See | Friends
Friends · 25:34
She may be on to us.
That 401st Episode: The Most Chaotic Episode Yet, Mystery Guests & MAD Dressing Room Tales | EP. 401
That Peter Crouch Podcast · 47:43
You might be on to something.
We surprised the lads with the man who has the greatest name in world football… 😂🔥
That Peter Crouch Podcast · 1:09
You might be on to something.
🔴 LIVE - Is Fortnite EASIER On Nintendo Switch 2? Let's Find Out!
LEGIQN · 69:26
We may be on to something.