onto someone/something

mod. alerted to or aware of a deceitful plan or person. Wilmer thought he was safe, but the fuzz was onto him from the beginning.

Name	Pronounced	Usage
Doyle	-	Irish
Suk-Ja	sook-jah	Korean
Roydon	ROI-dən	English (Rare)
Keefe	KEEF	Irish, English (Rare)
Waddell	[wɔ'del]
JoŽEf	YAW-zhef	Slovene