Examples of 'proven difficult' in a sentence
Meaning of "proven difficult"
Proven difficult: Implies that something has been demonstrated or shown to be challenging or hard to achieve
How to use "proven difficult" in a sentence
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proven difficult
His predecessor has proven difficult to replace.
Have proven difficult to repeat outside of a laboratory.
Implementing this framework has proven difficult.
This requirement has proven difficult to apply in practice.
Negotiations are ongoing but have proven difficult.
Valaciclovir has proven difficult to formulate.
Progress in the harmonization of cycles has proven difficult.
Explanations have proven difficult to verify.
It has proven difficult to assess allocation of resources to gender mainstreaming.
Type of information has proven difficult so far.
Has proven difficult to grow here.
Reducing size has often proven difficult.
I may have proven difficult to be known as a decent breed.
Preservation efforts have proven difficult.
Trophies proven difficult to win.
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Such cooperation has in the past proven difficult.
These techniques have proven difficult to control accurately.
But diffusing the situation has proven difficult.
This has proven difficult to verify with contemporary sources.
Red ear syndrome has proven difficult to treat.
Solubilizing such higher concentrations of olopatadine has proven difficult.
The fabrics used have proven difficult to reproduce.
Defining realistic targets in this context has proven difficult.
But that link has proven difficult to find.
Yet developing such migration programs has proven difficult.
This species has proven difficult to hatch out in captivity.
The environmental sustainability problem has proven difficult to solve.
But it has proven difficult to make this strategy work.
This simple appearing problem is proven difficult to solve.
It has already proven difficult to obtain funds for the programme.
But hitting that magic angle has proven difficult.
This has proven difficult due to the size of traditional equipment.
But the formula has proven difficult to use.
Extrapolating digestion rates in vitro to an in vivo situation has proven difficult.
Achieving these goals has proven difficult in the past.
These have proven difficult to counteract in view of the ensuing limited recruitment.
The volunteer exemption has proven difficult to apply.
It has proven difficult to draw the line between advertising and information.
Integrate experiences that have proven difficult or confusing.
It has proven difficult to accurately size and position apertures of this type.
The age of the engravings has proven difficult to determine.
But it has proven difficult to determine who is actually puling the strings.
But designing this molecular machinery has proven difficult.
Such a task would have proven difficult for any talent.
Putting proposed solutions into practice has proven difficult.
Dating these art works has proven difficult and unsatisfactory.
Competing with other forms of entertainment has proven difficult.
These systems have proven difficult to incorporate and accurately rely on.
Some of these privacy exceptions have proven difficult to reconcile.
This feature has proven difficult to identify in subsequent lunar photographs and observations.
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Examples of using Proven
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They have also proven to be difficult to prepare
Proven reserves probable reserves total reserves
Study tours have proven particularly effective
Examples of using Difficult
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And it is increasingly difficult for us to exchange letters
Difficult to find fur animals here anymore
You know how difficult this is for me
