You can't do much in the art line without training.

没经过训练，你在艺术行业是不会有多大作为的。

《牛津词典》

"It's worrying that they're doing things without training though, isn't it?"—"Absolutely."

“可是他们未经培训就干，这真让人担忧，是不是？”—“绝对是。”

《柯林斯英汉双解大词典》

Without training, you will mess up.

不经过训练，你将会陷入困境。

youdao

And those without training may not do anything for fear that they will do something wrong.

VOA: special.2009.06.09

Continuing on this theme, we also know that language is learnt without any sort of feedback or training.

关于这个主题,我们还知道,语言是在没有,任何反馈或训练的情况下习得的

耶鲁公开课 - 心理学导论课程节选

So it's really a training ground for the final paper, and we have found that people don't succeed in the course in the final paper without the training they get in section discussion, which is why section participation is worth ten percent of your grade.

所以讨论课也是为期末测试而训练的一个基础部分,我们曾发现没有在讨论课上的训练学生是没法,通过期末考试的，这也是为什么讨论课,的出勤率占你们分数的百分之十的原因。

耶鲁公开课 - 旧约导论课程节选

Without training, this new, but really cool, package of technology can be frustrating, leading to lost productivity and frustration.

BBC: Three missing ingredients of small business technology

There is a limit to the capacity of any human being to be able to perform these surveys - with or without training.

BBC: Volunteers 'vital to science data collection'

But you cannot be on the job without training and education.

FORBES: Choosing the Right Training?