pin down的用法与搭配

网络意思解释

用法搭配例句

Other after-effects may be equally hard to pin down .

其他的后续影响可能很难被确定。

Anonymous and lulzsec pose a problem for law enforcement partly because their membership and operations are difficult to pin down .

“匿名者”和lulzsec成为执法部门的一个难题，部分原因是他们的成员和业务难以确定。

Our solders knew how to pin down enemies .

我们的战士知道如何牵制敌人。

This is hard to pin down because we do not know the true scale of the mess our banks are in .

很难说出个具体数字，因为我们不知道银行所处困境的真实规模。

We have been trying to pin down by experiments what people mean by these expressions in specific contexts and how the meanings change with age .

我们一直在试图通过实验说明，在各种特定的语言环境下人们使用上述词语表达了什么样的意义，这些意义怎样随年龄的不同而变化。

The researchers were able to pin down the radiation 's origination point by combining measurements of the gamma-rays with radio-wave observations .

研究人员把对伽马射线的观测和对无线电波的观测结合起来，可以确定这种辐射的发源点。

The origin of this singular skill was a turning point in our history yet the timing is extremely difficult to pin down .

语言这一奇特技能的出现是我们的历史转折点，但具体出现的时间却很难确定。

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。

He 's really difficult to pin down -- you 'll have to be persistent .

让他明确表态很难--你必须坚持。

The police tried to pin down the blame for the fire in the school .

警察设法把学校失火的责任搞清楚。