to  put  one's finger on  something
put
pʊt
poot
<i>one's</i>
wʌnz
vanz
finger
fɪngər
fingēr
on
ɒn
on
something
sʌmθɪng
samthing

Definition & Meaning of "put one's finger on something "in English

to put one's finger on something
01

to figure out why things are the way they are and be able to identify the reason 

Idiom
Informal

What is the origin of the idiom "put one's finger on something" and when to use it?

The origin of the idiom "put one's finger on something" is likely derived from the idea of pointing out or touching something precisely with one's finger, indicating a high level of accuracy and specificity in identifying or describing an issue. This idiom has evolved over time to represent the act of identifying or specifying something with clarity and precision.

Examples
She couldn't quite explain what was wrong with the painting, but she could put her finger on the issue after a closer look. 
LanGeek
Download LanGeek app
langeek application

Download Mobile App

App Store