美 [pɪn daʊn]
迫使某人作出明确陈述或决定：迫使（某人）就某事作出明确陈述或决定。
确定（某事）：确定（某事）的确切时间或来源。
pin down // [ pinning pinned pins ]
动词词组 If you try to pin something down, you try to discover exactly what, where, or when it is. 弄明确
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。
I can only pin it down to between 1936 and 1942.
我只能将其确定在1936年到1942年之间。
动词词组 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. 迫使…明确表态
She couldn't pin him down to a date.
她未能迫使他确定下日期。
船首前倾
在这些章 节中，布尔迪厄详细阐述了个人形成（person formation）的过程，但 这些解释非常难以确定（pin down），这不是因为布尔迪厄经常强调 惯习的不同方面。
使受约束(pin down), 此释义来源于网络辞典。
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。
He set out with an apparently simple aim: to pin down the precise meaning of the concept of "information".
他的出发点显然很简单：确定“信息”这个概念的确切含义。
Inspired by Halley's suggestion of a way to pin down the scale of the Solar System, teams of British and French astronomers set out on expeditions to places as diverse as India and Siberia.
受哈雷提出的确定太阳系大小的方法启发，英国和法国天文学家团队开始在印度和西伯利亚等地考察。
"It is very difficult to really pin down and there have been these sorts of accusations from the Revolutionary Guards in the past."
VOA : standard.2009.10.18
That's a quite difficult argument to pin down does it work or does it not work.
这个论证很难确定,是不是说得通。
死亡课程节选 : 耶鲁公开课
You need to pin down an object of study, a first principle from which other principles can emerge, and part of the process is to say, "Hey, it's not literature we're talking about.
首要原则是，需要锁定要谈论，即学习的目标，可是，谁知道什么是文学。
文学理论导论课程节选 : 耶鲁公开课
What does it matter what you say about somebody? It comes up all through his work that you never can pin anyone down.
VOA : standard.2009.12.17
He is Charles Foster Kane. I don't think you can ever pin Welles down,"
VOA : standard.2009.12.17
Investigators also were trying to pin down whether MacInnis and the two women knew each other.
Trading in private shares is growing rapidly, though it's hard to pin down exact numbers.
The stylized action game is actually hard to pin down to a single genre.