put your finger on

US /pʊt jʊər ˈfɪŋ.ɡər ɑːn/
UK /pʊt jʊər ˈfɪŋ.ɡər ɑːn/
"put your finger on" picture
1.

menentukan dengan tepat, mengenal pasti

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

:
I know something is wrong, but I can't quite put my finger on it.
Saya tahu ada sesuatu yang tidak kena, tetapi saya tidak dapat menentukannya dengan tepat.
The manager couldn't put his finger on why sales were declining.
Pengurus tidak dapat menentukan mengapa jualan menurun.