untrained

详细解释:a. 未经训练的

英语解释：

形容词 untrained:

not disciplined or conditioned or made adept by training

例句：

Apart from the period feel which seems to my untrained eye to be perfect, the main performance is utterly convincing.对我这个外行来说，除了其中一段给人完美无缺的感受外，主要表演也是绝对令人折服的。