show one's true colors in French
show one's true colors in French
montrer son vrai visage
(idiomatic, informal) To reveal how one really is, as opposed to how one has been portrayed or after having been deceptively and deliberately misleading.
se montrer sous son vrai jour
(idiomatic, informal) To reveal how one really is, as opposed to how one has been portrayed or after having been deceptively and deliberately misleading.