They're still wet behind the ears and have a lot to learn.

他们还很稚嫩，还有很多东西要学。

The idiom " wet behind the ears" is used to describe someone who is inexperienced or naive, particularly in a specific area or situation.

“wet behind The ears”这个习语用来形容一个人缺乏经验或很天真，尤其是在特定的领域或情况下。

This might be because they're wet behind the ears or maybe they just don't want the aggro of designing their own workout plan.

那些毫无经验或者懒得自己制定健身计划的人们可以请个私人教练。

Work – average, needs to work on expressing ideas more clearly… I'm a bit concerned about progress, maybe a little wet behind the ears… goodness, did I really write that?

学习方面——表现平平，需要加强清楚表达观点的能力… … 我有点儿担心你的发展，可能有点儿乳臭未干… … 天呐，我真的是这么写的？

I remember when I was still wet behind the ears and the veterans in the company gave me the benefit of their time and expertise.

我记得当我还不知所措的时候，公司的老兵们给了我他们的时间和专业知识。

And so we get those steps towards building that, that incredible, wise version of Superman, rather than the, you know, still wet behind the ears kind.

因此，我们采取了这些步骤来构建那个令人难以置信的、明智的超人版本，而不是你知道的、仍然湿漉漉的超人。