pin down

They plan further work in the area to try to pin down the factors responsible.

他们打算在这一地区做些工作以期确证这些因素.

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.

Culture is a difficult concept to pin down.

文化是一个非常难讲清楚的概念。

You must pin down every quotation to its author.

你一定要确定每一条引文的作者是谁.

I can only pin it down to between 1936 and 1942

我只能确定是在1936至1942年期间。

It has taken until now to pin down its exact location

直到现在才确定了它的准确位置。

It is difficult to pin down the exact meaning of this verb.

很难确切解释这个动词的意思.

It's difficult to pin her down to fixing a date for a meeting.

让她确定个开会日期实在是难。

It is never possible nowadays to pin down any date within a year or two.

要把任何日期确定下来,误差不出一两年,在当今的时世里,是永远办不到的.

She's a difficult person to pin down.

她这人行事、说话没个准儿.

The identity of each sex is not so easy to pin down.

确定男女各自的特征并不那么容易.

If we cannot pin down exactly what we are supposed to be managing, how can we manage it?

如果我们都不能确切地知道自己该管理什么，那又怎么去管理呢？

But we have got now to pin down specific plans and specific implications for jobs.

但是我们现在必须确定详细计划并预计其对工作岗位产生的具体影响。

The task of their regiment was to pin down one of the flanks of the invading army.

他们团的任务是牵制侵略军的侧翼。

I'd try to get away and he'd pin me down, saying he would kill me

我曾试图逃脱，可他把我摁倒在地，并说会杀了我。

Mill Creek in Meizhou elephant ears pin down the mountain.

磨针溪在眉州象耳山下.

The cause of the disease is difficult to pin down precisely.

病因目前还难于解释清楚。

I know there's something wrong but it's hard to pin down.

我知道有点不对头，可是很难证实。

Reality, these days, is hard to pin down.

这些日子的现实情况让人摸不着头脑。

He was sure he would pin down the enemy between two firing lines.

他确信自己能够把敌人压制在两条火力线间。

To pin down the size of an orbital, we take a contour surface.

为束缚住轨道的大小, 我们取一等值面.

Why don't you go work with Chloe and pin down a location on Hector Salazar?

你去跟克洛伊一起追?赫克托的地点不好 吗 ?

The Boy had to pin down the dog to wash him.

这男孩必须扣牢这只狗帮它洗澡.

Damn! That was terrible. I only knocked the 10 pin down.

该死! 真糟糕, 我只击倒了10号瓶子.

If you could try and pin down where you were.

如果我能确定你到底在哪儿。

We should use our secondary forces to pin down several enemy columns.

我们应该用助攻部队来牵制住敌人的几个纵队。

She couldn't pin him down to a date

她没有办法强迫他答应约会。

He is a difficult man to pin down.

他是个不易就范的人.

Yet this number is hard to pin down.

但这个数字很难弄清楚。

It has taken until now to pin down its exact location.

直到现在才确定了它的准确位置。