to  get  one's tongue around  something
get
gɛt
get
<i>one's</i>
wʌnz
vanz
tongue
tʌng
tang
around
əraʊnd
ērawnd
something
sʌmθɪng
samthing

Definition & Meaning of "get one's tongue around something "in English

to get one's tongue around something
01

to be able to pronounce or articulate a difficult word, phrase, or language correctly, especially for non-native speakers 

Dialectamerican flagAmerican
to [get] {one's} tongue around {sth} definition and meaning
Idiom
Informal

What is the origin of the idiom "get one's tongue around" and when to use it?

The idiom "get one's tongue around" does not have a widely documented or specific origin. It is likely a figurative expression that has evolved over time to describe the effort required to pronounce challenging words or sounds correctly. This idiom emphasizes the need for practice and mastery in articulating difficult linguistic elements.

Examples
I still can't get my tongue around her surname. 
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