ἀμήχανον
From LSJ
Ἃ δέ σοι συνεχῶς παρήγγελλον, ταῦτα καὶ πρᾶττε καὶ μελέτα, στοιχεῖα τοῦ καλῶς ζῆν ταῦτ' εἶναι διαλαμβάνων (Epicurus, Letter to Menoeceus 123.2) → Carry on and practice the things I incessantly used to urge you to do, realizing that they are the essentials of a good life.
Russian (Dvoretsky)
ἀμήχᾰνον: adv.
1 неизмеримо, безмерно (διαφέρειν τινί Plat.);
2 поразительно: ἀ. τι οἷον Plat. как-то странно.
English (Woodhouse)
(see also: ἀμήχανος) desperate straits, difficulties, straits