Examples of using Difficult to determine in English and their translations into Portuguese
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                        Colloquial
                    
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                        Official
                    
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                        Medicine
                    
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                        Financial
                    
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                        Ecclesiastic
                    
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                        Ecclesiastic
                    
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                        Computer
                    
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                        Official/political
                    
 
so it's difficult to determine much.
It is difficult to determine, they are more worried,
The true capabilities of the Il-2 are difficult to determine from existing documentary evidence.
It is difficult to determine which patients need specialized neurological follow-up after a neonatal disease.
The magnitude of the depression is difficult to determine, but may be as large as 1,000 km.
It is difficult to determine whether hearing loss in the elderly is caused by general degeneration that is associated with aging.
I know it's always difficult to determine the value, but the share price is the share price, Mr. Karadeniz.
The latter, being a priori unknown and difficult to determine, masks the components of interest,
Physicians find it difficult to determine whether the person is terminally ill in the absence of a diagnosis of underlying malignant disease.
Knowing them, it is not difficult to determine individual indicators,
As it has been known in cultivation from early times in much of this region it can be difficult to determine if it is truly indigenous in peripheral areas.
It is rare in children and the diagnosis is difficult to determine; the etiology in 60% of cases is not elucidated 4.
it is difficult to determine whether corneal quality depends on factors associated with the cause of death itself
Again, it is difficult to determine which references to  death
After these very prominent 5, it becomes more difficult to determine the frequency of other cats occurrence in pedigrees.
it is difficult to determine the specific remit of such a unit,
Effectiveness as attack aircraft===The true capabilities of the Il-2 are difficult to determine from existing documentary evidence.
it gets difficult to determine how to  move large video files.
It is difficult to determine which is femicide since not all countries have the legal classification of femicide
soil physical parameters in the vadose zone are difficult to determine, causing modeling to  be expensive and imprecise.