untrained
US /ʌnˈtreɪnd/
UK /ʌnˈtreɪnd/

1.
未經訓練的, 不熟練的
not having been taught or developed a particular skill or type of behavior
:
•
The new recruits were completely untrained.
新兵們完全未經訓練。
•
She has an untrained eye for art.
她對藝術的眼光未經訓練。
未經訓練的, 不熟練的
not having been taught or developed a particular skill or type of behavior