低下
A reduction or decline in level, quality, quantity, function, or value. Often used to describe negative trends.
例句
3 / 5視力が低下した。
My eyesight has declined.
品質の低下を防ぐ。
Prevent the decline in quality.
免疫力の低下が病気の原因になる。
A decline in immunity causes illness.
词族
记忆技巧
Tei (Low) + Ka (Become). To become low.
快速测验
睡眠不足は作業効率の（ ）を招く。
正确！
正确答案是： 低下
例句
視力が低下した。
everydayMy eyesight has declined.
品質の低下を防ぐ。
businessPrevent the decline in quality.
免疫力の低下が病気の原因になる。
academicA decline in immunity causes illness.
支持率が大幅に低下した。
formalThe approval rating declined significantly.
最近、集中力が低下ぎみだ。
informalLately, my concentration has been declining.
词族
常见搭配
常用短语
学力の低下
decline in academic ability
体力の低下
decline in physical strength
意欲の低下
loss of motivation
容易混淆的词
Genshou is for quantity (fewer items), while Teika can be for quality, level, or ability.
使用说明
Very common in IELTS to describe declining rates (birth rates, interest rates) or quality.
常见错误
Do not confuse with 'teigi' (definition).
记忆技巧
Tei (Low) + Ka (Become). To become low.
词源
From 'tei' (low) and 'ka' (transform/become).
语法模式
快速测验
睡眠不足は作業効率の（ ）を招く。
正确！
正确答案是： 低下
更多academic词汇
充足
B2The state of being sufficient or satisfying a requirement. It is often used in formal contexts regarding criteria, human resources, or needs.
集中
B1The action of focusing one's attention or mental effort on a particular object or activity; also refers to a high density of something in one area.
明確
B1Clear and definite; leaving no doubt. Essential for academic writing to describe goals, results, or definitions.
文献
B1Books, reports, or articles that provide information or evidence on a specific subject. Essential for citing sources in academic work.
現状
B1The existing state of affairs, especially as contrasted with a different potential status. Used to introduce problems in IELTS essays.
緻密
B2Extremely careful and giving great attention to detail; precise. It is often used to describe research, planning, or artwork.
背景
B2The circumstances or situation that prevail at a particular time or underlie an event; the context.
洞察
B2The ability to see into a situation or problem deeply and understand its inner nature or hidden truths. It is a high-level form of understanding or 'insight'.
阻害
B2The act of hindering, obstructing, or preventing progress, development, or a biological process.
頻出
B2Something that appears or occurs frequently, especially in tests, literature, or data sets.
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