напряжённый
From LSJ
Cras amet qui numquam amavit quique amavit cras amet → May he love tomorrow who has never loved before; And may he who has loved, love tomorrow as well.
Russian > Greek
γυιοβαρής, δυσπέρατος, δυστράπελος, δυσχερής, ἔγκοπος, ἔμμοχθος, ἐπίπονος, καματηρός, κοπιαρός, κοπιώδης, κοπώδης, περισκελής, πραγματώδης, χαλεπός