untrained

US /ʌnˈtreɪnd/
UK /ʌnˈtreɪnd/
"untrained" picture
1.

nieprzeszkolony, niewprawiony

not having been taught or developed a particular skill or type of behavior

:
The new recruits were completely untrained.
Nowi rekruci byli całkowicie nieprzeszkoleni.
She has an untrained eye for art.
Ma niewprawne oko do sztuki.