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

1.
menunjuk dengan tepat, mengidentifikasi
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.
Aku tahu ada yang salah, tapi aku tidak bisa menunjuknya dengan tepat.
•
The manager couldn't put his finger on why sales were declining.
Manajer tidak bisa menunjuk mengapa penjualan menurun.