一心

いっしん

one mind

一億一心

いちおくいっしん

national unity (esp. during wartime)

一つ一つ

ひとつひとつ

one-by-one, separately, in detail

一安心

ひとあんしん

feeling of relief

一心に

いっしんに

wholeheartedly, single-mindedly, fervently, intently

一つ

ひとつ

one

人心一新

じんしんいっしん

complete change in public sentiment, leading the thought of the people to an entirely different channel

物心一如

ぶっしんいちにょ

Matter and mind are one, body and mind as one

心機一転

しんきいってん

changing one's attitude, turning over a new leaf, getting a fresh start

心身一体

しんしんいったい

(medical) holism

一家心中

いっかしんじゅう

family suicide

一意専心

いちいせんしん

single-mindedly, wholeheartedly, with one's heart and soul

一心不乱

いっしんふらん

wholeheartedly, with heart and soul, intently, with undivided attention, with intense concentration, single-mindedly

一心同体

いっしんどうたい

being one in body and soul, of one flesh, two hearts beating as one

一味同心

いちみどうしん

(people) working together with one mind

心身一如

しんしんいちにょ しんじんいちにょ

body and mind as one, mind-body unity

専心一意

せんしんいちい

single-mindedly, wholeheartedly, with one's heart and soul

一大決心

いちだいけっしん

momentous (crucial) decision

一心三観

いっしんさんがん

simultaneous contemplation of the threefold truth (form of tendai meditation)