do not be a hypocrite, faking one thing in public and doing something else to the contrary (see Molina)
Alonso de Molina:
macamo zan xitlaixpanican. no seays hipocritas mostrando una cosa defuera confingimiento y haziendolo contrario de ella. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 50r. col. 1. Thanks to Joe Campbell for providing the transcription.