untutored

1. ADJ If someone is untutored, they have not been formally trained to do something, although they may be quite skilled at it. 未受正式訓(xùn)練的[正式]

This untutored mathematician had an obsession with numbers. 這位未接受過(guò)正式教育的數(shù)學(xué)家對(duì)數(shù)字十分癡迷。