However, all of the studies used untrained subjects.

但是，所有的研究样本都是没练过的新手。

They're also better than some untrained humans.

它们也比一些未经正规培训的人类表现更好。

Clara Barton is untrained and unpaid.

克拉拉·巴顿未经训练也不拿酬劳。

The majority of these studies were conducted with untrained subjects beginners.

这些研究中的受试者大多数都是未经训练的初学者。

To the untrained eye, a dune is just a dune.

在没经验的肉眼看来，沙丘就是一座沙丘。

To the untrained eye, it's just a jumble of lines.

对未经训练的人来说，这只是一堆杂乱的线条。

In many cases, the people performing the teeth whitening were untrained and unqualified.

在很多案例中，操作牙齿美白手术的人都未经过培训且没有手术资格。

Schools must not use other students to translate or use other untrained workers.

学校不得让其他学生或其他未经培训的人员翻译。

Many were untrained, but Spartacus's clever tactics transformed them into an effective guerrilla force.

大多数人都未接受过训练，但是斯巴达克斯机智的战术将他们变成一支高效的游击力量。

The delicately etched patterns are rather faint and not terribly arresting to the untrained eye.

上面蚀出的精美图案不大清楚，对没有受过训练的人来说没有多大吸引力。