ἀμυδρῶς
From LSJ
ὃν οὐ τύπτει λόγος οὐδὲ ῥάβδος → if words don't get through, neither a beating will | if the carrot doesn't work, the stick will not work either | whom words do not strike, neither does the rod
Russian (Dvoretsky)
ἀμυδρῶς: неясно, неотчетливо (μιμεῖσθαί τι Arst.): ἀ. βλέπειν или ὁρᾶν Arst. плохо видеть.