Meaning of the word "put your finger on" in English

What does "put your finger on" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

put your finger on

US /pʊt jʊər ˈfɪŋ.ɡər ɑːn/
UK /pʊt jɔː ˈfɪŋ.ɡər ɒn/
"put your finger on" picture

Idiom

to identify exactly what is wrong or what has caused a problem

Example:
I know something is wrong, but I can't quite put my finger on it.
The manager couldn't put his finger on why sales were declining.