Harmful refers to anything that negatively impacts health, safety, or well-being.
Palavra em 30 segundos
- Refers to something that causes harm or damage.
- Used for physical health, environment, or social issues.
- Often used in formal or warning contexts.
Overview
- 1概要:「有害」は、何かが対象にとって悪影響を及ぼす性質を指す言葉です。物理的なダメージだけでなく、精神的な悪影響や社会的な損失に対しても広く使われます。2) 使用パターン:「有害な〜」という形で名詞を修飾するか、「〜は有害だ」と述語として使われます。対象を特定するために「〜にとって有害」という表現がよく組み合わされます。3) 一般的な文脈:健康被害(有害物質、有害な影響)、情報社会(有害サイト、有害情報)、環境問題(有害廃棄物)など、ニュースや科学的な説明、または日常生活の注意喚起で頻繁に登場します。4) 類語との比較:「危険」は事故や怪我の可能性が高いことを指しますが、「有害」は特定の対象(人体など)に対して毒性や悪影響があるという「性質」をより強く強調します。「悪影響」は結果を指す名詞ですが、「有害」は形容詞としてその性質を定義する際に用いられます。
Exemplos
タバコの煙は子供にとって有害だ。
everydayCigarette smoke is harmful to children.
有害な化学物質の排出を規制する。
formalRegulate the emission of harmful chemical substances.
このサイトには有害な情報が含まれている。
informalThis site contains harmful information.
長時間の紫外線は肌に有害である。
academicLong-term exposure to UV rays is harmful to the skin.
Colocações comuns
Frases Comuns
有害無益
More harm than good
有害図書
Books harmful to minors
有害廃棄物
Hazardous waste
Frequentemente confundido com
Means 'dangerous' or 'risky'. While '有害' focuses on specific damage or toxicity, '危険' focuses on the high probability of an accident occurring.
Means 'toxicity'. It is a noun describing the specific quality of being poisonous, whereas '有害' is an adjective describing the general negative effect.
Padrões gramaticais
How to Use It
Notas de uso
The word '有害' is primarily used in formal, scientific, or serious contexts. It is not typically used in casual conversation to describe minor inconveniences. Always use it when discussing health, safety, or environmental risks.
Erros comuns
Learners often use '有害' for simple personal dislikes. Avoid saying 'That person is harmful' unless they are genuinely dangerous. Use '迷惑' or '悪い人' for social annoyances instead.
Tips
Use with specific targets
Always specify what is being harmed by using '〜にとって有害' (harmful to ~). This makes your sentence clearer and more natural.
Avoid informal exaggeration
Do not use '有害' for trivial things like bad weather. It is reserved for serious health or environmental risks.
Environmental awareness in Japan
The term is frequently used in Japanese environmental policy and recycling laws to categorize hazardous waste.
Origem da palavra
Derived from Kanji: 有 (have) and 害 (harm/damage). It literally means 'having the quality of causing damage'.
Contexto cultural
In Japan, the term is strictly used in legal and health contexts, such as '有害図書' (harmful books for minors). It carries a sense of official warning.
Dica de memorização
Think of 'You-gai' (有害) as 'You' (harm) + 'Gai' (damage). It sounds like you are being warned of danger.
Perguntas frequentes
4 perguntas「危険」は事故や怪我の可能性を指す広い概念ですが、「有害」は毒性や悪影響が特定の対象に及ぶことを強調します。
「有害な物質」「有害な影響」「有害な情報」など、健康や環境に悪影響を与えるものとよく結びつきます。
ニュースや製品の注意書きでよく見かけますが、日常会話では「体に悪い」「よくない」と言う方が一般的です。
「無害」が最も一般的な反対語です。また、健康に良いという意味では「有益」や「健康的な」が使われます。
Teste-se
この化学物質は人体に___ので、取り扱いには注意してください。
人体に悪い影響を与えるという意味なので「有害」が適切です。
Pontuação: /1
Summary
Harmful refers to anything that negatively impacts health, safety, or well-being.
- Refers to something that causes harm or damage.
- Used for physical health, environment, or social issues.
- Often used in formal or warning contexts.
Use with specific targets
Always specify what is being harmed by using '〜にとって有害' (harmful to ~). This makes your sentence clearer and more natural.
Avoid informal exaggeration
Do not use '有害' for trivial things like bad weather. It is reserved for serious health or environmental risks.
Environmental awareness in Japan
The term is frequently used in Japanese environmental policy and recycling laws to categorize hazardous waste.
Exemplos
4 de 4タバコの煙は子供にとって有害だ。
Cigarette smoke is harmful to children.
有害な化学物質の排出を規制する。
Regulate the emission of harmful chemical substances.
このサイトには有害な情報が含まれている。
This site contains harmful information.
長時間の紫外線は肌に有害である。
Long-term exposure to UV rays is harmful to the skin.
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