неожиданно
From LSJ
Χρὴ τῶν ἀγαθῶν διακναιομένων πενθεῖν ὅστις χρηστὸς ἀπ' ἀρχῆς νενόμισται → When a good man is hurt, all who would be called good must suffer with him
Russian > Greek
ἄφνω, ἐξαίφνης, ἀνυπονοήτως, ἀπρονοήτως, ἐξαπιναίως, ἀπροόπτως, παραλόγως, ἀνελπίστως, ἀδόκητα, ἀδοκήτως, ἀνωϊστί, ἀφράστως, ἀμαθῶς, ἀπροσδοκήτως, παραβόλως, ἐκ δυσελπίστου, ἐκ δυσελπίστων