English phrase from drama scenes
What Does "he was onto something big" Mean?
Learn what "he was onto something big" means, when people say it, and how to use it naturally in English.
Intermediate
Neutral
Explain
English Phrases for Work
He was onto something big, Mary.
This means he discovered or suspected something significant.
From Undercovered Heart, Episode 57
When do people say this?
Scene Context
Someone says another person found or was involved in something important or suspicious.
Usage Scenario
Use it when talking about a lead, clue, or important discovery. It is natural spoken English, but the full line needs context to be clear.
Better ways to say it
1
He was onto something big.
2
He found something important.
3
He was getting close to the truth.
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