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
Millard	MIL-ərd	English
Benjamin	BEN-jə-min (English), bawn-zha-MEN (French), BEN-yah-meen (German)	English, French, German, Dutch, Danish, Swedish, Norwegian, Biblical
Eadric	-	Anglo-Saxon
Vida (1)	-	Hungarian
Eula	YOO-lə	English
Alethea	[.ælə'θiə]