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Essential English Speaking: Common Phrases to Express Doubt

From online sources Posting Time: 2025-09-04 16:08:30

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    This article introduces commonly used English phrases to express doubt, such as 'Are you serious?', 'Are you joking?', and 'I doubt it'. It helps learners sound more natural and confident in real conversations beyond textbook English.

    Learning English is not just about mastering grammar and vocabulary; more importantly, it’s about being able to use the language naturally in real-life situations. However, textbook sentences are often too formal and far removed from everyday expressions. To speak authentic and natural English, you need exposure to dialogues in real contexts. Here, we have selected high-frequency English expressions for daily use, covering social, work, and travel scenarios. These will help you break free from 'textbook English' and learn how native speakers really talk. Below is this issue of '8000 English Sentences: When in Doubt.' Keep practicing, and your English will become closer to real life!

    Really? Really? Are you serious? Are you serious? This set of expressions is commonly used when you are surprised or skeptical about what someone is saying. Using "Are you serious?" conveys doubt while still keeping the conversation casual. It’s a versatile phrase suitable for both formal and informal situations. Mastering this phrase can help you react naturally when you hear something that seems unbelievable or shocking.

    Are you joking? Are you joking? This expression is often used in a lighter context compared to "Are you serious?" It suggests that you find the statement hard to believe, but it also implies humor. Using "Are you joking?" can break the ice in conversations and shows that you are attentive to what is being said. It’s important to notice the tone and facial expressions when using this phrase to avoid misunderstandings.

    I doubt it. I doubt it. This phrase directly expresses skepticism. "Doubt" is a strong verb that clearly communicates your disbelief in the statement made. It is appropriate when you want to question the truth of what someone is saying without being too confrontational. Learning how to use "I doubt it" in different contexts will make your spoken English sound more natural and confident.

    I won't buy that story. I won't buy that story. This idiomatic expression means that you do not believe what someone is telling you. "Buy" in this context figuratively means accepting or believing something. It’s often used when a story seems exaggerated or fabricated. Using idiomatic expressions like this can make your English sound more native and fluent.

    It's too good to be true. It's too good to be true. This common phrase is used when something seems unusually positive or unbelievable. It indicates a natural skepticism about outcomes that appear perfect or unrealistic. Knowing how to use this phrase can help you express doubt politely in conversations and improve your ability to respond to surprising news or offers.

    The above content is a summary prepared by Qicaiwang about '8000 English Sentences: When in Doubt.' We hope it is helpful for you!

Vocabulary Guide

Listening ComprehensionListening Comprehension
  • buy

    noun

    1. an advantageous purchase

    e.g. she got a bargain at the auction
    the stock was a real buy at that price

    Synonym: bargainsteal

  • doubt

    noun

    1. uncertainty about the truth or factuality or existence of something

    e.g. the dubiousness of his claim
    there is no question about the validity of the enterprise

    Synonym: dubiousnessdoubtfulnessquestion

    2. the state of being unsure of something

    Synonym: uncertaintyincertitudedubietydoubtfulnessdubiousness

  • serious

    adj

    1. causing fear or anxiety by threatening great harm

    e.g. a dangerous operation
    a grave situation
    a grave illness
    grievous bodily harm
    a serious wound
    a serious turn of events
    a severe case of pneumonia
    a life-threatening disease

    Synonym: dangerousgravegrievousseverelife-threatening

    2. requiring effort or concentration
    complex and not easy to answer or solve

    e.g. raised serious objections to the proposal
    the plan has a serious flaw

    3. of great consequence

    e.g. marriage is a serious matter

    4. appealing to the mind

    e.g. good music
    a serious book

    Synonym: good

    5. concerned with work or important matters rather than play or trivialities

    e.g. a serious student of history
    a serious attempt to learn to ski
    gave me a serious look
    a serious young man
    are you serious or joking?
    Don't be so serious!

    6. completely lacking in playfulness

    Synonym: unplayfulsober

  • true
  • joking

    adj

    1. characterized by jokes and good humor

    Synonym: jestingjocosejocular

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