untutored
adjective formal uk/ʌnˈtʃuː.təd/ us/ʌnˈtuː.t̬ɚd/
无知的;未受教育的
having no knowledge of or education in a particular subject
to the, my, etc. untutored eye 在外行看来／在我这个外行眼里
if or because you are, I am, etc. an untutored person
To my untutored eye that just looks like a load of random brush strokes, and yet it's a very valuable painting. 在我这个外行人眼里，那只是一堆随意的涂鸦，但它实际上却是很有价值的作品。