襟素

襟素	jīn sù	one's true heart
襟	jīn	lapel / overlap of Chinese gown / fig. bosom (the seat of emotions) / to cherish (ambition, desires, honorable intentions etc) in one's bosom
素	sù	raw silk / white / plain, unadorned / vegetarian (food) / essence / nature / element / constituent / usually / always / ever