心

center

concern

heart failure

state of mind

peace of mind

worry

city centre (esp. of Tokyo)

(level of) comfort (in the place one lives)

from the bottom of one's heart

zealous

heart

state of mind

essential

admiration

mind and body

centripetal force

psychology

sentiment

core

heart muscle

feeling

beginner

wholeheartedly

matter of concern

double suicide

inner thoughts

mind

ambition

congeniality

conscience

determination

heart disease

curiosity

preparedness

human nature

careful

sense of security

apathetic

one mind

nuclear reactor core

true feelings

to know

centre of gravity (center)

anticipation

vanity

one's original intention

meticulous

spirit

knowledge

awareness of things around one

pains

regrettable

doubt

one's confidant

taking great pains (to do)

feeling of a house or a room

bodyguard

comfortable

electrocardiogram

central part

care

psychological

bottom of one's heart

sincerity

angina pectoris

temper

one's feeling while riding

wholeheartedly

having in mind

mental image

conscientious

parental love

consideration (for)

being one in body and soul

center of an explosion

(innocent) mind of a child

centrifuge

regret

centrifugal force

sincerity

indifference

heart rate

anxiety

suspicion will raise bogies

heart attack

murder-suicide

innocence

exerting care

heart and soul

(mental) attitude

beginner-friendly

faith

timidity

to keep in mind

concentricity

ventricle

heartening

child's mind

one mind

warped mind

to take care

to one's heart's content

small (token of one's gratitude, etc.)

uneasy

thoughtfulness

anticipation

kindness

to be completely satisfied

thoughtful

to weigh on one's mind

unwillingly

somehow

to be thoughtful (of a gift, etc.)

(something) one does not really mean

there in body, but not in spirit

heartfelt

carefully

to one's heart's content

to take care

to be pleased with

somehow

cardiac tamponade

deep down

to win over

to one's heart's content

one's mind

concern

desire to tease

emotional care

source of emotional support

dirty mind

echocardiography

concentric circles

to play a leading role

to play a central role

inside one's heart

duplicity

one's heart

popular sentiment

(good or bad) feel when wearing something

center of the earth

looking like one is in a good mood

centre of circle

mind

discretion

woman's heart

one's whole heart

mental

(feelings of) love

to resolve to do