心密かに

こころひそかに

inwardly, secretly

心にかかる

こころにかかる

to weigh on one's mind; to trouble one

心に思う

こころにおもう

to think deep down (that); to tell oneself (that); to secretly believe (that)

心に誓う

こころにちかう

to vow to oneself; to promise oneself

心に浮かぶ

こころにうかぶ

to cross one's mind, to spring to mind, to occur to one

心に掛かる

こころにかかる

to weigh on one's mind, to trouble one

心にもない

こころにもない

(something) one does not really mean; insincere

一心に

いっしんに

wholeheartedly, single-mindedly, fervently, intently

心なしか

こころなしか

somehow, somewhat, seemingly

理にかなう

りにかなう

to make sense

意にかなう

いにかなう

to satisfy (one), to meet (one's) desire

かなにか

or something

どうにかこうにか

somehow or other

心覚えに

こころおぼえに

as a reminder

心に残る

こころにのこる

to stay in one's heart, to be enduringly memorable, to be unforgettable

心に描く

こころにえがく

to imagine, to envisage

心に刻む

こころにきざむ

to etch into one's mind, to remember well

心に染む

こころにそむ

to be pleased with, to suit

心に響く

こころにひびく

to resonate emotionally (with one); to strike a chord in one's heart