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2Znaczenie: diligentassiduous industrious persevering unremitting ardent studious constantpersistent weariless zealous hardworking tireless untiring sedulous
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3Znaczenie: steadfastresolute untiring unfailing unflagging tireless persistentfirm constant persevering unyielding reliable unfaltering
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4Znaczenie: assiduoustireless untiring unrelenting persistingunflagging consistent continuous