ξένος ὢν ἀκολούθει τοῖς ἐπιχωρίοις νόμοις → as a foreigner, follow the laws of that country | when in Rome, do as the Romans do
obstructus: a, um, Part., from obstruo.
obstrūctus, a, um, part. de obstruo.
obstructus, a, um. part. p. v. obstruo. :: Obstructa difficultatibus cognitio 甚難曉之事。