“One's true self” in Japanese
Short answer
One's true self in Japanese is “真面目” (majime). Full meaning: one's true character, one's true self, one's true worth; serious, earnest, sober, grave; honest, sincere.
Other ways to say “One's true self” in Japanese
真骨頂
shinkotchou one's true worth, one's true self, what one is really made of
まじめ
majime one's true character, one's true self, one's true worth; serious, earnest, sober, grave; honest, sincere
マジメ
majime one's true character, one's true self, one's true worth; serious, earnest, sober, grave; honest, sincere
Looking for the other direction? Search any Japanese word in the Nihoner lexicon, or practise what you have learned in the learning games.