(adj) not disciplined or conditioned or made adept by training, Ant. trained, Example:an untrained voice; untrained troops; young minds untrained in the habit of concentration
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
[良知良能, liáng zhī liáng néngㄌㄧㄤˊ ㄓ ㄌㄧㄤˊ ㄋㄥˊ] instinctive understanding, esp. of ethical issues (成语 saw); untrained, but with an inborn sense of right and wrong; innate moral sense#256351