苦心
くしん
kushin
JLPT N2nounVocabularyLevel 58 - JLPT N2

Quick answer

苦心 (くしん (kushin)) means "Hard work". It is read くしん (kushin). This page covers its usage with example sentences.

Meaning

Hard work

Also : Pains · Labor · Effort · Trouble

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Example Sentences

数年の苦心の末、ようやくその発明が完成した。

すうねんのくしんのすえ、ようやくそのはつめいがかんせいした。

After years of hard work, the invention was finally completed.

その作品は、著者の苦心が詰まった傑作だ。

そのさくひんは、ちょしゃのくしんがつまったけっさくだ。

That work is a masterpiece filled with the author's efforts and dedication.

Kanji in this word

Grammar to study at this level

Last updated Jun 17, 2026

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