查询词典 pin down

It was impossible to pin down exactly what it was that he was trying to say.

不可能完全弄明白他想说的是什么。

I can't pin down the solution.

我不能牵制的解决方案。

He is a difficult man to pin down.

他是个不易就范的人。

We are trying to pin down his speech.

我们正努力准确说明他的讲话。

But expectations can be difficult to pin down.

但是预期是很难被阻止的。

It was difficult for me to pin down the subject.

对我来说，要弄清楚这个问题很困难。

They can't pin down what is optimal.

他们无法确定哪种才是最佳的情况。

As a doctor, he can pin down the use of every kind of medicine.

作为一名医生，他能准确说明每一种药的用法。

Mr Obama's views are hard to pin down.

奥巴马先生的观点则很难确定。

Let's pin down what we're gonna make.

让我们来确定一下我们要做什么。

We will see more and more activist government policies that distinguish economic activities according to the nationality of the actors.

我们将看到越来越多激进的政府政策，这些政策根据企业的国籍来区分经济活动。

If we can prove the independence of an axiomatic system, then we can guarantee the conciseness of this system, ie.

如果能够证明某个一阶谓词系统的独立性，那么就能够保证该系统的建立是精炼的，即没有任何一条公理或推理规则是多余的。