一意専心(いちいせんしん)

いちいせんしん
noun, adverb
single-minded devotion; wholehearted concentration
formalwrittenliterarycognition
1. single-minded devotion; wholehearted concentration
Devoting oneself entirely to one thing without distraction. A four-character compound (yojijukugo) expressing total focus and dedication.
一意専心(いちいせんしん)、研究(けんきゅう)に打(う)ち込(こ)んだ。
He devoted himself single-mindedly to his research.
一意専心(いちいせんしん)で練習(れんしゅう)を続(つづ)けた結果(けっか)、優勝(ゆうしょう)できた。
As a result of practicing with single-minded devotion, I was able to win the championship.
彼女(かのじょ)は一意専心(いちいせんしん)、子(こ)どもたちの教育(きょういく)に人生(じんせい)を捧(ささ)げてきた。
She has devoted her life wholeheartedly to educating children.

Usage

A 四字熟語(よじじゅくご) used in formal speech and writing. Often placed at the beginning of a sentence as an adverbial phrase. 一意(いちい) means "one mind/intention" and 専心(せんしん) means "concentrated mind." Together they express total, undivided focus.

Similar words

Related Words

Compare: 一心不乱(いっしんふらん) (with undivided attention)
Compare: 無我夢中(むがむちゅう) (being completely absorbed)
general
Added 2026.3.18 13:31 · Revised 2026.10.17 22:28
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