(idiomatic) to steal someone's heart; to be thoroughly attracted by; to be completely fascinated by

(idiomatic) to do wholeheartedly; to put one's heart into something

(idiomatic) to be grieved at heart, to be troubled by, to be frustrated, to be distressed

(idiomatic) to attract, appeal

(idiomatic) to be in love with / (idiomatic) to draw attention to

(idiomatic, of one's mood) to be refreshed; to be carefree

(idiomatic) to turn over a new leaf; to mend one's ways; to reform

(idiomatic) to stay in one's heart; to be enduringly memorable; to be unforgettable

Alternative spelling of 心持ち (kokoromochi): disposition, nature; feeling, mood

trial / experiment