οὐ λήψει τὸ ὄνομα Κυρίου τοῦ Θεοῦ σου ἐπὶ ματαίω → thou shalt not take the name of the Lord thy God in vain
P. and V. οὐ διδακτός.
slow at learning: Ar. and P. δυσμαθής; see dull.