infirm of purpose

From LSJ

ἐὰν ἃ τοῖς ἄλλοις ἐπιτιμῶμεν, αὐτοὶ μὴ δρῶμεν → avoid doing what you would blame others for doing

Source

English > Greek (Woodhouse Extra)

μαλακός, μαλθακός