A theory could be so vague and all-encompassing that it can't even be tested.

一个理论有可能因为概念模糊,且体系庞大而难以得到验证。

耶鲁公开课 - 心理学导论课程节选

It didn't look very much like us at all, but we could sort of see the resemblance in a vague kind of way, right?

看起来几乎不怎么像我们,但我们可以或多或少的,找到些和我们相似的地方

耶鲁公开课 - 死亡课程节选

These invisible, vague things can never form the basis of a serious science.

这些不可见，定义模糊的东西,不能被划入严谨的科学范畴里。

耶鲁公开课 - 心理学导论课程节选

But in order to do so, you have to use terms like "punishment" and "reward" and "reinforcement" in such a vague way that in the end you're not saying anything scientific.

但如果你要这样去做，你就必须将惩罚，奖励“,强化之类的术语概念模糊化,最终你所作出的解释便毫无科学性。

耶鲁公开课 - 心理学导论课程节选