Definition
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sumnjati
Sumnjati znači imati nesigurnost ili ne povjerovati u istinitost nečega.
To doubt means to have uncertainty or to not believe in the truth of something.
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Sumnjam da će stići na vrijeme.
I doubt that he will arrive on time.
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Nisam siguran u njegovu priču, sumnjam u nju.
I am not sure about his story; I doubt it.
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Sumnjati u vlastite sposobnosti može biti vrlo teško.
To doubt one's own abilities can be very difficult.