C1 na-adjective 中性

妥当

/da̠to̞ː/

Describes a decision, price, or conclusion that is appropriate, fair, and logically sound within a given context. It suggests that something is reasonable and justifiable based on common sense or established facts.

例句

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1

この品質でこの価格なら、非常に妥当な金額だと言える。

Given this quality, this price can be said to be a very reasonable amount.

2

裁判所は、被告人の主張には妥当性がないと結論づけた。

The court concluded that the defendant's claims lacked validity.

3

まあ、今の状況を考えれば、それが妥当な判断なんじゃない?

Well, considering the current situation, isn't that the most sensible judgment?

词族

名词
妥当性
副词
妥当に
形容词
妥当な
相关
妥協
💡

记忆技巧

Visualize a balance scale: on one side is the 'situation' and on the other is the 'decision'. When they balance perfectly, it is 'datou' (valid/reasonable).

快速测验

過去のデータに基づいたこの予測は、非常に( )なものだと言える。

正确!

正确答案是: 妥当

例句

1

この品質でこの価格なら、非常に妥当な金額だと言える。

everyday

Given this quality, this price can be said to be a very reasonable amount.

2

裁判所は、被告人の主張には妥当性がないと結論づけた。

formal

The court concluded that the defendant's claims lacked validity.

3

まあ、今の状況を考えれば、それが妥当な判断なんじゃない?

informal

Well, considering the current situation, isn't that the most sensible judgment?

4

本研究の分析手法が妥当であるかどうかを再検討する必要がある。

academic

It is necessary to re-examine whether the analytical method of this study is valid.

5

競合他社の動向を踏まえ、妥当な販売価格を設定してください。

business

Please set an appropriate selling price based on the trends of our competitors.

词族

名词
妥当性
副词
妥当に
形容词
妥当な
相关
妥協

常见搭配

妥当な判断 a reasonable/valid judgment
妥当性を欠く to lack validity
妥当な範囲 a reasonable range
客観的に妥当な objectively valid
妥当な解決策 an appropriate solution

常用短语

妥当な線

a reasonable level or compromise

妥当性を検証する

to verify the validity

極めて妥当である

to be highly appropriate

容易混淆的词

妥当 vs 適当

'Tekitou' can mean 'appropriate' but often colloquially means 'careless' or 'random'. 'Datou' specifically emphasizes logical soundness and fairness.

妥当 vs 正当

'Seitou' refers to being legally or morally 'just' or 'legitimate', whereas 'datou' is about being 'reasonable' or 'sensible' in a given situation.

📝

使用说明

It is frequently used in formal discussions, legal contexts, and academic peer reviews to evaluate if a conclusion or action is logically supported by evidence.

⚠️

常见错误

Learners sometimes use 'tekitou' when they want to say a price is fair; however, 'datou' or 'リーズナブル' is more precise, as 'tekitou' might imply the price was chosen without much thought.

💡

记忆技巧

Visualize a balance scale: on one side is the 'situation' and on the other is the 'decision'. When they balance perfectly, it is 'datou' (valid/reasonable).

📖

词源

From '妥' (da) meaning 'to settle/calm' and '当' (tou) meaning 'to hit the mark/appropriate'. Together they mean settling on what is appropriate.

语法模式

Takes the 'na' particle before nouns (妥当な価格) Can be used as a predicate with 'da' or 'desu' (その結論は妥当だ)
🌍

文化背景

In Japanese business culture, achieving 'datou' often involves 'nemawashi' (prior consultation) to ensure everyone agrees that a plan is reasonable before it is formally proposed.

快速测验

過去のデータに基づいたこの予測は、非常に( )なものだと言える。

正确!

正确答案是: 妥当

相关词

協力

A1

Cooperation or collaboration where two or more people combine their efforts to achieve a common goal. It is used in both personal and professional settings to describe working together as a team or providing assistance.

提案

A1

A suggestion or proposal of a plan or idea for others to consider. It is used in both casual conversations and professional meetings to introduce a potential course of action.

輸出

A1

The act of sending goods or services produced in one country to another country for sale or trade. In Japanese, it functions as a noun and a suru-verb, representing the 'exit' of products from a domestic market.

輸入

A1

The act of bringing goods, services, or materials into a country from abroad for sale or use. In Japanese, it functions as a noun or can be combined with 'suru' to become a verb meaning 'to import'.

資源

A1

Shigen refers to valuable materials or assets, such as natural minerals, energy sources, or human talent, that can be used for production or survival. It is widely used in economics, environmental science, and daily life to describe both raw materials and abstract wealth.

保護

A1

The act of keeping someone or something safe from harm, damage, or loss by providing care or creating boundaries. It is a versatile term in Japanese used for social welfare, environmental conservation, and digital security.

観察

A1

Observation is the act of watching someone or something carefully in order to gain information or understand a process. It is frequently used in scientific studies, nature analysis, and describing the act of paying close attention to details.

競争

A1

Kyousou refers to the act of competing or vying with others to achieve a goal, win a prize, or establish superiority. It is a versatile term used in sports, business, and academics to describe both structured contests and general rivalry.

拡大

A1

The act of making something larger in size, scale, or scope. It is frequently used for physical enlargement (like a photo) or abstract growth (like a business or a problem).

製造

A1

The process of making or producing goods, typically on a large scale using machinery. It refers specifically to industrial manufacturing rather than making things by hand on a small scale.

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