pin down

Wheatley and Looser set out to pin down the point at which a face starts to look alive.

Moni Bidin says the method is robust and that larger surveys to come will pin down the dark matter distribution more precisely.

Porrello's team are now trying to pin down how the regeneration works in the hope of developing a treatment for adult heart disease.

It is difficult in this case to pin down how much is too much because many SWFs do not publish accounts.

He and Trujillo went back and pored over the older images to help pin down the circular path it travels around the sun.

To pin down SOD's relevance, the team has been spiking different types of neurons with the antioxidant to see how the various cells react.

A flurry of bilateral meetings are trying to pin down specific decisions, out of which a numerical deal will be reverse-engineered.

As is often the case in the murky world of foreign-labor recruiting, responsibility for this debacle is hard to pin down.

"Jessica, " said her mother, who was also a study in what good clothing can do for age, "push that pin down in your tie -- it's coming up. "

but it was never possible nowadays to pin down any date within a year or two.

I read the novel three times, yet I couldn't pin down what exactly the author was trying to say.

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

The flavour was mysteriously hard to pin down: traces of chocolate, hints of earthiness and a slight mustiness around the edges.

Trying to pin down exactly when the contractors would be done remodeling the house , Nancy was frustrated by their elusive replies .

As with any evolving art form, trying to pin down the rules is impossible.

Reddy said these quick changes have made bird evolution hard to pin down, and several smaller prior studies have led to conflicting results.

Banks are still scrambling to pin down their exposure to Dubai World since the announcement last week of a standstill to debt repayments .

Are they related? we don't know, we don't have enough evidence to be able to pin down that kind of connection.

Such criminality may be hard to pin down after all this time, but it is worth the effort.

The one hope Pluto fans had for revenge was that it was very tough to pin down Eris' size exactly.

Since objective, technical criteria are harder to pin down in these areas, debate, including political debate, is necessary.

He is clearly out of step with modern condom. But how and when things changed for boys is hard for me to pin down.

Why do I speak in generalities when strangers ask me what I do for a living and then try to pin down what kind of books I write?

It seems that while it is easy to be impressed by an abstract feelgood factor, it is harder to pin down specific benefits.

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

It is easier to pin down fraud at the bottom of this chain that at the top.

The talks also will pin down the cost of spare parts, training rounds, training courses, delivery dates, documentation and other details.

When used to pin down abstract concepts or unusual design details, design by metaphor or simile bridges a major gap of understanding.

The requirements are difficult to pin down, and significant challenges are often posed by legacy data sources.

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

The first play of every game, the Hawks run a pin-down for Joe.

When corporations' main assets are intangible, the location of their profit is still more difficult to pin down.

But while copyright and patent infringement are both considered crimes in most countries, plagiarism is a little harder to pin down.

In the following we will see how the Buddha refutes all the attempts made by Ananda to pin down the locality of the mind.

After all, being honest or dishonest involves a set of cognitive and social factors which may prove too complex to pin down.

Such models may also help to pin down the causes of diseases that arise from the interplay of genetic and environmental factors.

Now if we pin down the first Urdu poet, we should be able to trace down the origins of the language to a fair degree.

The effects have been hard to pin down because studies of different groups have produced conflicting results.

For something so influential and intuitively appealing, it turns out that the Hawthorne effect is remarkably hard to pin down.

This last "ism" , which describes the Maoists' struggle as a "bourgeois peasant revolution" , is tricky to pin down.

This will help you pin down what's within the range of normal for your job.

FOR a subject that arouses such strong passions, "network neutrality" is fiendishly difficult to pin down.

Researchers now routinely use optical tweezers based on this push to pin down and manipulate atoms and small objects.

For the time being, no other instrument is as vital to the hunt for distant supernovae to pin down dark energy.

Given a matching index, a single index fetch will pin down the row to be retrieved.

Meanwhile, Nasa's Fermi Space Telescope is taking a different approach to try to pin down dark matter.

but in these books he writes of these fears being more diffuse and harder to pin down.

The Captain's Pin Down ability lets her swipe at anyone shifting while adjacent to her.

Our soldiers know how to pin down the enemy.

Try to pin down the exact quality of its sadness.

The police are making further investigations to pin down others involved in the crime.

However, despite some of the hype, the green credentials of China's fiscal package are difficult to pin down.

Because it is so difficult to pin down effects of a particular language on a particular thought pattern, this issue remains unresolved.

Using neutrons to better understand food is a new field but is ideal to pin down sub-nanoscale detail in molecules, says Teixeira.

This is because the behavior diffuses into the target system and is difficult both for humans to pin down and for tools to analyze.

Dr. J. : Astronomers have used Hubble to observe cepheids and to pin down their distances much more accurately.

It's very difficult for scientists to pin down exactly what causes animals to flee or panic before an earthquake.

If his identity is hard to pin down, his fears and hopes are easier to read.

It is even more difficult to pin down freak occurrences, where surface temperatures and humidity happen to combine to create huge storms.

Highly developed economy has to depend on oil, while gaining the initiative in the Middle East will certainly pin down Russia in geography.

While it is difficult to pin down the prevalence of speculative trading, market participants say it has a big impact on prices.

All carbon footprints are hard or impossible to pin down accurately, but the internet is a particularly complex case.

the only way to pin down a thought before it can slip away. . . is to jump on it with both verbal feet, to pin it down with language.

Knowing what the ice sheet looked like back then let scientists pin down variations in modern models of Earth climate.

The first step to defeating an enemy is to pin down his exact identity and how he operates.

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

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

It is there, physically and supernaturally manifested, but it is impossible to pin down.

It is sometimes hard to pin down Ms Royal's policies, but this does not mean she has none.

Limbs, head, slender pin down performance.

But ordinary middle-class adulterers are harder to pin down.

Keeping innovation useful is a constant challenge for big companies, partly because it is so hard to pin down.

You must pin down every quotation to its author.

Today most store-bought GPS receivers can pin down your position to within about 15 meters.

Second, the data on inflows are hard to pin down.

But it is harder to pin down more subtle health effects.

Reality, these days, is hard to pin down.

A trader's intent is hard to pin down, however.

It's hard to pin down exactly what's wrong with the car.

He's a difficult man to pin down.

It is hard to pin down what has been causing honeybees to vanish.

If they can pin down the relationship between age and rotation, a star's age will be much easier to measure.

Yet this number is hard to pin down.

Other causes are harder to pin down.

Mr Obama's views are hard to pin down.

She's a difficult person to pin down.

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

We hope to pin down the German 15th Army there so that they can't be used against us at Normandy.

Some expect Apple and Microsoft to sue Google. Yet this is unlikely, because the online giant will be hard to pin down.

in order to pin down my knitted pieces while blocking.

People don't like to change how they do their jobs. That is why the value of ERP is so hard to pin down.

Yet this is unlikely, because the online giant will be hard to pin down.

That's progress, but we still have a long way to go to pin down the nature of dark energy.

They can't pin down what is optimal.

It's time to pin down the habits that have become unconscious and are running your life for you, and get rid of them. Here's how to do it:

but it takes actually a little bit of work to pin down precisely