15秒でわかる
- Expresses genuine indecision or being torn.
- Works for big and small choices.
- Versatile across many social situations.
- Signals thoughtful consideration, not laziness.
意味
これは、優柔不断なときに使う決まり文句です。「決めかねています」または「2つ以上の選択肢の間で心が揺れています」と言うようなものです。思慮深い検討の雰囲気を醸し出します。
主な例文
3 / 11Texting a friend about weekend plans
E aí, vamos naquele show no sábado ou ficamos em casa vendo série? `Estou em dúvida`.
Hey, should we go to that concert on Saturday or stay home and watch series? I'm undecided.
At a café, choosing a drink
Hmm, cappuccino ou um suco de laranja? `Estou em dúvida`.
Hmm, cappuccino or an orange juice? I'm torn.
Instagram caption for a travel photo
Tantas paisagens incríveis! `Estou em dúvida` qual foto postar primeiro. 🇵🇹 #Portugal #TravelDilemma
So many incredible landscapes! I'm undecided which photo to post first. 🇵🇹 #Portugal #TravelDilemma
文化的背景
Brazilians often use 'Estou em dúvida' to avoid saying 'no' directly. It's part of the 'jeitinho'—keeping things flexible and friendly. In Portugal, you might hear 'Estou com dúvidas' more frequently than in Brazil, where 'em' is the dominant preposition. Usage is similar to European Portuguese, but often delivered with a very distinct, melodic intonation. In professional settings, saying 'Estou em dúvida' is a way to ask for more data without sounding incompetent.
The 'Entre' Rule
Always use 'entre' when you have two specific nouns. It makes you sound much more native than using 'ou'.
The Question Trap
Remember: 'Estou em dúvida' = I can't decide. 'Tenho uma dúvida' = I have a question. Mixing these up is the #1 mistake for B1 students.
15秒でわかる
- Expresses genuine indecision or being torn.
- Works for big and small choices.
- Versatile across many social situations.
- Signals thoughtful consideration, not laziness.
What It Means
This is your go-to phrase when you're stuck. You can't pick one thing. Your mind is a bit fuzzy. You're not sure what to do next. It’s like having two paths in front of you. You don't know which one to take. There's a slight feeling of indecision. It’s a very common and useful expression.
How To Use It
Use Estou em dúvida when you genuinely can't decide. It works for big life choices. It also works for tiny, everyday things. Did you forget your keys? Estou em dúvida where you left them. Can't pick a movie on Netflix? Estou em dúvida. It's super flexible. Just pop it into a sentence. It signals your state of mind clearly. Think of it as a little mental shrug. It’s a polite way to say you’re processing.
Formality & Register
This phrase is quite versatile. It leans towards neutral but can get informal. With close friends, it's perfectly casual. In a professional setting, it's still okay. You might just use it more carefully. Imagine telling your boss you're unsure about a project. You wouldn't say it with a shrug emoji! You'd phrase it a bit more formally. But the core phrase Estou em dúvida remains the same. It’s not slang, but it’s not stuffy either. It’s a good middle ground. Like a comfy pair of jeans for your vocabulary.
Real-Life Examples
- Texting a friend about weekend plans: "Qual filme você quer ver? Não sei,
estou em dúvida." - Ordering food: "Quero o frango, mas o peixe parece bom também.
Estou em dúvida." - Discussing work tasks: "Sobre qual tarefa devemos focar primeiro? Sinceramente,
estou em dúvida." - Deciding on a gift: "Ela gosta de livros ou de roupas?
Estou em dúvidasobre o presente." - Choosing a travel destination: "Itália ou Grécia para as férias? Ai,
estou em dúvida."
These show its everyday power. It fits so many situations. It’s like a chameleon of indecision.
When To Use It
Use it when you genuinely haven't made up your mind. You need more time to think. You are weighing options. You are comparing pros and cons. It’s perfect for situations with multiple choices. Think about choosing a new phone plan. Or deciding what to wear to a party. It signals you’re in a state of consideration. It’s also good when asked for an opinion you can't give yet. It’s a polite way to defer. Like saying, "Give me a sec to figure this out."
When NOT To Use It
Avoid it if you already know the answer. Don't use it if you're just being lazy. It implies genuine uncertainty. If you're just procrastinating, find another excuse! Also, don't use it for something super simple. Like choosing between coffee or tea if you always drink coffee. It might sound a bit silly. And in a high-stakes, urgent situation, it can sound weak. Like during a fire drill, "Which way should we go? Estou em dúvida." Probably not ideal. Stick to decisions that require actual thought.
Common Mistakes
Sometimes people overthink it. They try to add too many words. Or they use it when they mean something else. Forgetting something is different from being undecided. Saying Estou em dúvida where you put your keys is fine. Saying Estou em dúvida about the color of the sky is not.
Estou em dúvida o que fazer.
✓Estou em dúvida sobre o que fazer.
Estou em dúvida comprar isto ou aquilo.
✓Estou em dúvida entre comprar isto ou aquilo.
Common Variations
Tô em dúvida: This is the super casual, spoken version. It's very common in Brazil.Tôis just a contraction ofEstou. It's like saying "I'm kinda stuck."Fico em dúvida: Similar meaning, often interchangeable. It can sometimes imply a slightly more prolonged state of doubt.Na dúvida: This means "when in doubt." It's used differently, like "Na dúvida, escolha a opção A." (When in doubt, choose option A.)Estou indeciso(a): This is a more direct synonym, meaning "I am undecided." It's a bit more formal thanEstou em dúvida.
Real Conversations
Scenario 1: Choosing a restaurant
Maria
João
Estou em dúvida, não sei qual escolher.Maria
João
Scenario 2: Deciding on a gift
Ana
Pedro
Estou em dúvida se compro o livro que ela queria ou aquela bolsa que vimos.Ana
Pedro
Quick FAQ
- What's the vibe? It's a bit hesitant, thoughtful. Not panicked. Just processing.
- Is it polite? Yes, very polite. It shows you're considering.
- Can I use it in emails? Yes, in informal or semi-formal emails. "
Estou em dúvidasobre o melhor horário para a reunião." - What if I'm *really* stuck? You can add emphasis: "
Estou muito em dúvida." - Does it sound native? Absolutely. It's a staple phrase. You'll hear it constantly.
使い方のコツ
This phrase is generally safe for most contexts but leans slightly informal. In very formal writing or speech, consider using 'Estou indeciso(a)' or adding context like 'Estou em dúvida quanto a...' (I have doubt regarding...). Avoid using it when you simply forgot something; that requires 'não me lembro'.
The 'Entre' Rule
Always use 'entre' when you have two specific nouns. It makes you sound much more native than using 'ou'.
The Question Trap
Remember: 'Estou em dúvida' = I can't decide. 'Tenho uma dúvida' = I have a question. Mixing these up is the #1 mistake for B1 students.
Polite Delaying
If someone asks you for a favor you can't do, start with 'Tô na dúvida se consigo...' to soften the blow.
例文
11E aí, vamos naquele show no sábado ou ficamos em casa vendo série? `Estou em dúvida`.
Hey, should we go to that concert on Saturday or stay home and watch series? I'm undecided.
Casual texting, showing indecision between two clear options.
Hmm, cappuccino ou um suco de laranja? `Estou em dúvida`.
Hmm, cappuccino or an orange juice? I'm torn.
Quick, everyday decision-making at a point of sale.
Tantas paisagens incríveis! `Estou em dúvida` qual foto postar primeiro. 🇵🇹 #Portugal #TravelDilemma
So many incredible landscapes! I'm undecided which photo to post first. 🇵🇹 #Portugal #TravelDilemma
Using the phrase humorously for a social media 'problem'.
Sobre qual área de especialização devemos focar para este projeto, `estou em dúvida` qual seria o maior benefício a longo prazo.
Regarding which area of specialization we should focus on for this project, I'm uncertain which would be the greatest long-term benefit.
More formal context, showing thoughtful consideration of strategic options.
Precisamos decidir se vamos usar a tecnologia A ou B. Eu analisei os prós e contras, mas ainda `estou em dúvida`.
We need to decide if we're going to use technology A or B. I've analyzed the pros and cons, but I'm still undecided.
Professional but friendly, indicating a need for further discussion.
Prezado Professor Silva, sobre o tema da dissertação, `estou em dúvida` entre focar em literatura contemporânea ou estudos culturais.
Dear Professor Silva, regarding the dissertation topic, I am uncertain between focusing on contemporary literature or cultural studies.
Formal email, politely expressing indecision about academic direction.
Eu amo minha cidade natal, mas essa oportunidade de trabalho no exterior parece incrível. `Estou em dúvida` sobre o que fazer...
I love my hometown, but this job opportunity abroad seems incredible. I'm torn about what to do...
Expressing a difficult, emotionally charged life decision.
✗ `Estou em dúvida` onde estão minhas chaves. → ✓ Não me lembro onde estão minhas chaves.
✗ I'm undecided where my keys are. → ✓ I don't remember where my keys are.
Confusing 'undecided' with 'forgotten'. Use 'não me lembro' for forgotten items.
✗ `Estou em dúvida` comprar o carro azul ou o vermelho. → ✓ `Estou em dúvida` **entre** comprar o carro azul ou o vermelho.
✗ I'm undecided buy the blue car or the red one. → ✓ I'm undecided **between** buying the blue car or the red one.
Often needs a preposition like 'entre' (between) or 'sobre' (about) when specifying options.
Gente, qual celular vocês acham melhor? O modelo X ou o Y? `Estou em dúvida` e preciso de ajuda!
Hey everyone, which phone do you think is better? Model X or Y? I'm undecided and need help!
Seeking opinions from a community when facing a choice.
Tem tanta coisa boa pra ver... `Estou em dúvida` se começo aquela série nova ou revejo um clássico.
There's so much good stuff to watch... I'm undecided whether to start that new series or rewatch a classic.
Relatable situation for anyone browsing Netflix or similar platforms.
自分をテスト
Complete the sentence with the correct preposition.
Estou em dúvida ____ o azul e o verde.
When choosing between two specific items, 'entre' (between) is the correct preposition.
Which sentence is the most natural way to say 'I'm undecided' in a casual Brazilian setting?
Choose the best option:
'Tô na dúvida' is the standard informal contraction used in Brazil.
Complete the dialogue naturally.
Garçom: 'O que vai desejar?' Você: 'Ainda não sei, _________.'
'Estou em dúvida' perfectly expresses that you haven't decided on your order yet.
Match the phrase to the situation.
Match 'Estou em dúvida se aceito a promoção' to its context.
Accepting a 'promoção' (promotion) is a career-related decision.
🎉 スコア: /4
ビジュアル学習ツール
練習問題バンク
4 問題Estou em dúvida ____ o azul e o verde.
When choosing between two specific items, 'entre' (between) is the correct preposition.
Choose the best option:
'Tô na dúvida' is the standard informal contraction used in Brazil.
Garçom: 'O que vai desejar?' Você: 'Ainda não sei, _________.'
'Estou em dúvida' perfectly expresses that you haven't decided on your order yet.
Match 'Estou em dúvida se aceito a promoção' to its context.
Accepting a 'promoção' (promotion) is a career-related decision.
🎉 スコア: /4
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よくある質問
5 問Yes, especially in Portugal. In Brazil, it's understood but 'em dúvida' is more common for indecision.
It's fine for a quick Slack/Teams message, but use 'Estou em dúvida' in a formal email.
You can say 'Não estou mais em dúvida' or 'Já me decidi'.
'Dúvida' is usually about a choice or a specific fact. 'Incerteza' is a broader, more abstract feeling of uncertainty.
Yes, 'Estou em dúvida sobre ele' means you are undecided about your feelings or trust in a person.
関連フレーズ
Tenho uma dúvida
similarI have a question
Ficar em cima do muro
idiomTo be on the fence
Hesitar
synonymTo hesitate
Tanto faz
contrastIt doesn't matter / Either way
Bater o martelo
contrastTo make the final decision