ἄνθρωπος ὢν ἥμαρτον· οὐ θαυμαστέον → being human I made a mistake; there is nothing remarkable about it
Clumsiness: P. and V. σκαιότης, ἡ, P. ἀγροικία, ἡ.
boorishness: P. and V. ἀμουσία, ἡ, P. ἀπαιδευσία, ἡ.
embarrassment: P. and V. ἀπορία, ή.