τούτου δὲ συμβαίνοντος ἀναγκαῖον γίγνεσθαι πάροδον καὶ τροπὰς τῶν ἐνδεδεμένων ἄστρων → but if this were so, there would have to be passings and turnings of the fixed stars
See piercing (of sound): P. and V. ὀξύς, V. λιγύς (also Plato but rare P.), ὄρθιος, πικρός, διάτορος; see loud.
shrewd: P. and V. συνετός, δεινός.
of looks: use Ar. and P. ὀξύς.
bleak: P. χειμερινός, Ar. and V. δυσχείμερος.