pin down是什么意思_pin down的用法

英英释义
词典解释
网络解释

verb

1. define clearly

e.g. I cannot narrow down the rules for this game

Synonym: peg downnail downnarrow downnarrowspecify

2. attach with or as if with a pin

e.g. pin up a picture

Synonym: pin up

3. place in a confining or embarrassing position

e.g. He was trapped in a difficult situation

Synonym: trap

1. 确定；证实
If you try to pin something down, you try to discover exactly what, where, or when it is.

pin down的解释

e.g. 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。
e.g. I can only pin it down to between 1936 and 1942...
我只能确定是在1936至1942年期间。

2. 迫使…作出决定（或明确表态）
If you pin someone down, you force them to make a decision or to tell you what their decision is, when they have been trying to avoid doing this.

e.g. She couldn't pin him down to a date...
她没有办法强迫他答应约会。
e.g. ...their repeated efforts to pin him down on a number of topics...
他们迫使他对一系列问题明确表态的再三努力

1. 阻止：pimply 肿泡的 | pin down 阻止 | pin money 零花钱

2. 船首前倾：pin connecting 销连接 | pin down 船首前倾 | pin drill 针头站

3. 牵制：pin dot matrix ==> 针点矩阵 | pin down ==> 牵制 | pin drafter ==> 针梳机,针梳牵伸机

相关列句

But it is always hard to pin down.(但这始终是难以确切说明。)

For something so influential and intuitively appealing, it turns out that the Hawthorne effect is remarkably hard to pin down.(作为一个如此具有影响力以及从直觉上引人入胜的理论，“Hawthorne”效应却显得异常难以证实。)

If they can pin down the relationship between age and rotation, a star's age will be much easier to measure.(如果他们能够确定星星年龄与转速之间的关系，星星的年龄测起来就简单的多了。)

It has taken until now to pin down its exact location.(一直到现在才确定了它的准确位置。)

Some expect Apple and Microsoft to Sue Google. Yet this is unlikely, because the online giant will be hard to pin down.(有些人期待苹果和微软起诉谷歌，然而这是不太可能的事情，因为谷歌这个网络巨人是很难被扳倒的。)

The cause of the disease is difficult to pin down precisely.(病因目前还难以解释清楚。)

A trader's intent is hard to pin down, however.(然而，交易商的意向是很难被抑制的。)

Other causes are harder to pin down.(其它原因就很难下定论了。)

I almost knocked the bowling pin down.(我几乎要把这堆保龄球瓶打倒了。)

All carbon footprints are hard or impossible to pin down accurately, but the Internet is a particularly complex case.(所有的碳足迹都很难或者不太可能精确地算出来，对于互联网，情况更是复杂。)

pin down

pin down

pin down基本解释