不懈

• Pinyin: bù xiè
• Hanzi breakdown: 不 = not; 懈 = 忄(heart) + 解 (to loosen), meaning to slack off

Meaning

Unremitting; untiring; persistent. Continuous effort without slackening.

A formal adjective/adverb describing sustained effort that doesn't let up. Often appears in the phrase 坚持不懈 (to persevere) or 不懈努力 (unremitting efforts). Common in formal praise and motivational contexts.

Examples

1. 正是凭借不懈的努力，他才取得了今天的成就。 It was precisely through unremitting effort that he achieved his success today.
2. 科学家们进行了长达十年的不懈探索。 The scientists conducted a decade-long tireless exploration.
3. 只有坚持不懈，才能实现远大的目标。 Only through persistent determination can one achieve ambitious goals.

Usage Guide

Context: motivation, achievement, praise

Tone: admiring

Do Say

• 感谢大家的不懈付出。(Thank you all for your untiring dedication.)
• 成功需要不懈的坚持。(Success requires unremitting persistence.)

Don't Say

• 我不懈地吃零食。(Don't use 不懈 for trivial activities — it's for serious, sustained efforts)

Origin & History

不 (not) + 懈 (to slacken). Never slackening in effort.

Cultural Context

Generation: All ages

Social background: Universal