Luyện nói tiếng Anh bằng Shadowing qua video: When Can The NPI Process Begin?

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When does it start?
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When does the NPI process start?
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Sure, so before NPI starts you've got your typical product development phase.
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So it's very important that product development is done thoroughly and
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that you are doing mechanical and electronic design for a consumer product
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and prototyping to a level that verifies that your product works and it has value-add as you anticipated.
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So that really needs to happen before you get into NPI.
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So I would say you would need a list of documentation
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from an engineering point of view before you could say that you're ready for the NPI phase.
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So this includes translating the requirement into very specific requirements, making it as specific as possible,
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getting the product design firmed up and frozen basically
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and also getting some prototypes that are relatively close but maybe not made with production tooling,
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not made with the same processes as would be in production
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but something that already looks more or less the same as the desired product and already works right, it already has to be functional.
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Yeah, it should have all the key features.
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Most likely there's going to be some known issues that need to be resolved.
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But as you said, the product requirements document should be established
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and it should be meeting 90% of that and then any known issues should be documented.
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And then the NPI phase can begin.

Vocabulary and speaking notes for this lesson

This video has 19 sentences and 234 words to shadow. The speech runs for 1:32. The speaker talks at a natural 153 words per minute, close to everyday conversation. 89% of the words are among the 3,000 most common in English, so the vocabulary is easy to follow.

Key vocabulary in this video

12 less common words from the video, with pronunciation and meaning:

  • requirement /ɹɪˈkwaɪɹmənt/ (noun) — A necessity or prerequisite; something required or obligatory. Its adpositions are generally of in relation to who or what has given it, on in relation to whom…
  • prototype /ˈpɹəʊtətaɪp/ (noun) — An original form or object which is a basis for other forms or objects (particularly manufactured items), or for its generalizations and models.
  • establish /ɪˈstæb.lɪʃ/ (verb) — To make stable or firm; to confirm.
  • mechanical /məˈkænəkəl/ (adjective) — Related to mechanics (the branch of physics that deals with forces acting on matter).
  • functional /ˈfʌŋkt͡ʃənəl/ (adjective) — In good working order.
  • resolve /ɹɪˈzɑlv/ (verb) — To find a solution to (a problem).
  • freeze /ˈfɹiːz/ (verb) — Especially of a liquid, to become solid due to low temperature.
  • thoroughly /ˈθʌɹ.ə.li/ (adverb) — In a thorough or complete manner.
  • documentation /ˌdɑkjəmɛnˈteɪʃən/ (noun) — A documentary.
  • translate /tɹænzˈleɪt/ (verb) — To change spoken words or written text (of a book, document, movie, etc.) from one language to another.
  • verify /ˈvɛɹɪfaɪ/ (verb) — To substantiate or prove the truth of something.
  • anticipate /ænˈtɪs.ɪ.peɪt/ (verb) — To act before (someone), especially to prevent an action.

Phrasal verbs you will hear

  • make with (verb) — To give, to bring, to produce, to show.
  • get into (verb) — To move into (an object), such that one ends up inside it.

Pronunciation to watch

  • The “sh” and “zh” sounds: establish /ɪˈstæb.lɪʃ/, documentation /ˌdɑkjəmɛnˈteɪʃən/
  • Long words — get the stress right: mechanical /məˈkænəkəl/, documentation /ˌdɑkjəmɛnˈteɪʃən/, anticipate /ænˈtɪs.ɪ.peɪt/

How to practise with this video

  1. Listen to the whole video once without speaking and note the words you do not know.
  2. Start at 0.75× speed, shadow it sentence by sentence, then go back to normal speed once it feels easy.
  3. Record yourself and compare with the original, paying attention to words like requirement, prototype, establish.

Ngữ pháp trong video

Những cấu trúc người nói dùng nhiều nhất, kèm đúng cụm từ trong video:

Cấu trúcTrong video
Câu bị động be + quá khứ phân từ — nhấn vào việc xảy ra, không phải người làmis done · be resolved · should be established

Phương Pháp Shadowing Là Gì?

Shadowing là kỹ thuật học ngôn ngữ có cơ sở khoa học, ban đầu được phát triển cho chương trình đào tạo phiên dịch viên chuyên nghiệp và được phổ biến rộng rãi bởi nhà đa ngôn ngữ học Dr. Alexander Arguelles. Nguyên lý cốt lõi đơn giản nhưng cực kỳ hiệu quả: bạn nghe tiếng Anh của người bản xứ và lặp lại to ngay lập tức — như một "cái bóng" (shadow) đuổi theo người nói với độ trễ chỉ 1–2 giây. Khác với luyện ngữ pháp hay học từ vựng bị động, Shadowing buộc não bộ và cơ miệng phải đồng thời xử lý và tái tạo ngôn ngữ thực tế. Các nghiên cứu khoa học xác nhận phương pháp này cải thiện đáng kể phát âm, ngữ điệu, nhịp điệu, nối âm, kỹ năng nghe và độ lưu loát khi nói — đặc biệt hiệu quả cho người luyện IELTS Speaking và muốn giao tiếp tiếng Anh tự nhiên như người bản ngữ.

Phương pháp shadowing: đọc hướng dẫn từng bước đầy đủ →