διὰ πέτρας καὶ διὰ δρυὸς ὁρᾶν → see through a brick wall, see through rocks and an oak
bad: P. and V. κακός, φαῦλος.
annoying: P. and V. βαρύς.
injurious: P. and V. ἀσύμφορος.
incompetent: P. and V. φαῦλος; see incompetent.
