退化
The biological or functional process where an organ, ability, or system loses its original complexity, size, or effectiveness over time. It is often used to describe evolutionary changes where traits are lost or the decline of personal skills due to lack of use.
例句
3 / 5運動不足が続くと、足の筋肉が退化してしまいます。
If lack of exercise continues, the muscles in your legs will atrophy.
文明の過度な利便性は、人類の生存本能を退化させる恐れがある。
Excessive convenience in civilization poses a risk of degenerating humanity's survival instincts.
最近スマホばかり使っているから、漢字を書く能力が退化した気がする。
I feel like my ability to write kanji has regressed because I only use my smartphone lately.
词族
记忆技巧
Visualize the kanji: 退 (retreat/back) and 化 (change). It literally means 'changing by moving backward' from progress.
快速测验
パソコンの普及により、多くの人の手書き能力が___していると言われている。
正确！
正确答案是： 退化
例句
運動不足が続くと、足の筋肉が退化してしまいます。
everydayIf lack of exercise continues, the muscles in your legs will atrophy.
文明の過度な利便性は、人類の生存本能を退化させる恐れがある。
formalExcessive convenience in civilization poses a risk of degenerating humanity's survival instincts.
最近スマホばかり使っているから、漢字を書く能力が退化した気がする。
informalI feel like my ability to write kanji has regressed because I only use my smartphone lately.
洞窟に住む魚の多くは、光のない環境に適応して眼が退化している。
academicMany fish living in caves have degenerate eyes, having adapted to an environment without light.
市場の変化に対応できない古いビジネスモデルは、急速に退化していく。
businessOld business models that cannot respond to market changes will rapidly decline.
词族
常见搭配
常用短语
進化と退化
evolution and degeneration
退化の一途を辿る
to continue to decline/degenerate
退化の兆候
signs of degeneration
容易混淆的词
Rekka refers to the worsening quality of inanimate objects (like batteries or metal), while Taika usually refers to biological organs or human abilities.
Rouka is the general process of aging, whereas Taika is specific to the loss or regression of a particular function or evolutionary trait.
使用说明
While Taika is a technical term in biology for vestigial organs, it is very commonly used metaphorically in daily life to describe losing a skill (like mental math or handwriting) because of reliance on technology.
常见错误
Avoid using Taika to describe a machine breaking down or a situation getting worse; use '故障' for machines or '悪化' for situations instead.
记忆技巧
Visualize the kanji: 退 (retreat/back) and 化 (change). It literally means 'changing by moving backward' from progress.
词源
A Sino-Japanese compound formed from '退' (retreat/withdraw) and '化' (change/become).
语法模式
快速测验
パソコンの普及により、多くの人の手書き能力が___していると言われている。
正确！
正确答案是： 退化
相关词汇
相关词
曇天
A1A formal term referring to a cloudy or overcast sky where the sun is obscured by clouds. It is more literary or technical than the everyday word 'kumori' and describes a state of consistent gray weather.
風
A1A natural movement of the air, typically in the form of a current of air blowing from a particular direction. In everyday Japanese, it most commonly refers to the weather phenomenon, but the same phonetic reading also refers to a common cold.
日光
A1Nikko refers to the light emitted by the sun, commonly translated as sunlight or sunshine. It is used to describe the brightness and warmth experienced outdoors or entering a room during the day.
味わい
A1Ajiwai refers to the depth and richness of flavor in food, as well as the aesthetic charm or profound quality found in art, literature, or life experiences. It goes beyond basic taste to describe a nuanced appreciation of something's unique character.
香り
A1A pleasant or sweet smell, often used to describe flowers, food, or perfume. It carries a positive nuance, distinguishing it from general or unpleasant odors.
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A1The act of moving people or goods from one location to another using vehicles like trucks, ships, or planes. It is frequently used in business, logistics, and official contexts to describe large-scale movement.
車両
A1A formal term referring to any wheeled vehicle, including cars, train carriages, and buses. It is frequently used in technical, legal, and transportation contexts to describe individual units of rolling stock or road vehicles.
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自動車
A1A self-propelled motor vehicle with wheels, typically used for transporting passengers or goods on roads. While it is the technical and formal term for an automobile, it is commonly replaced by the simpler word 'kuruma' in casual conversation.
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