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

“ put one's finger on something ”的英语定义和含义

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 

习语
非正式
例子
She couldn't quite explain what was wrong with the painting, but she could put her finger on the issue after a closer look. 
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