whited sepulcher〔【語源】新約聖書のマタイ福音書23章27節でイエスがパリサイ人と律法学者を非難した言葉"Woe unto you, scribes and Pharisees, hypocrites! for ye are like unto whited sepulchres, which indeed appear beautiful outward, but are within full of dead men's bones, and of all uncleanness." から。〕