Shadowing Practice: Building Anthropic | A conversation with our co-founders - Learn English Speaking with Video
Vocabulary and speaking notes for this lesson
This C1 speaking lesson is built on the video “Building Anthropic”. This video has 762 sentences and 10613 words to shadow. The speech runs for 51:48. The speaker talks fast, about 205 words per minute, so expect linked and reduced sounds. 86% of the words are among the 3,000 most common in English; the rest is worth studying before you start.
Key vocabulary in this video
The 15 most advanced words in the video, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| anthropic adjective | /ænˈθɹɒp.ɪk/ | Of or pertaining to mankind or humans, or the period of humanity's existence. |
| eval verb | /ˈiː.væl/ | To evaluate (or execute) source code held in a string during run time. |
| interpretability noun | The ability to be interpreted. | |
| stripe noun | /stɹaɪp/ | A long region of a single colour in a repeating pattern of similar regions. |
| neural adjective | /ˈnʊɹəl/ | Of, or relating to the nerves, neurons or the nervous system. |
| confront verb | /kənˈfɹʌnt/ | To stand or meet facing, especially in competition, hostility or defiance; to come face to face with. |
| align verb | /əˈlaɪn/ | To form a line; to fall into line. |
| nonprofit adjective | Not seeking to produce a profit (a financial gain). | |
| ambitious adjective | /æmˈbɪʃ.əs/ | Having or showing ambition; wanting a lot of power, honor, respect, superiority, or other distinction. |
| incentive noun | /ɪnˈsɛntɪv/ | Something that motivates, rouses, or encourages. |
| calibrate verb | /ˈkæl.ɪ.bɹeɪ̯t/ | To check or adjust by comparison with a standard. |
| constraint noun | /kənˈstɹeɪnt/ | Something that constrains; a restriction. |
| dysfunctional adjective | Not performing its proper or intended function. | |
| externally adverb | on the surface or the outside | |
| legible adjective | /ˈlɛd͡ʒəbl/ | Clear enough to be read; readable, particularly of handwriting. |
Phrasal verbs you will hear
| Word | Meaning |
|---|---|
| figure out verb | To come to understand; to discover or find a solution; to deduce. |
| go back to verb | To stem from; to originate in. |
| build up verb | To erect; to construct. |
| go off verb | To explode. |
| come up with verb | To manage to produce, deliver, or present (something) by inventing, creating, thinking of, or obtaining it. |
| end up verb | To bring to a conclusion. |
| go through verb | To travel from one end of something to the other. |
| help out verb | To provide assistance. |
Sentences worth repeating
Short, complete lines from the video that you can reuse in everyday conversation:
- How did you actually make the decision though?
- Should I try to do this thing?
- How do we know if we're right?
- Are you telling me not everyone does this?
- How do we know if we're meeting them?
Grammar in this video
The structures the speaker uses most, with the exact words from the video:
| Structure | In the video |
|---|---|
| Present perfect continuous have/has been + -ing — an action that started earlier and is still going on | has been shifting · We've been helping |
| Conditional sentences if + clause, will/would + verb — a condition and its result | if it was true then it would be · if you had said governments will set |
| “Used to” used to + verb — a past habit or state that is no longer true | used to run · used to be |
| Present perfect have/has + past participle — a past action that still matters now | I've created · I've known · hasn't held |
Pronunciation to watch
The speaker uses 226 contractions and reduced forms, such as we're, you're, don't. Say them the short way, as you hear them.
- The “th” sounds: anthropic /ænˈθɹɒp.ɪk/, altogether /ɔl.tuˈɡɛð.ɚ/
- The “sh” and “zh” sounds: ambitious /æmˈbɪʃ.əs/, gravitational /ˌɡɹævɪˈteɪʃənəl/, iteration /ˌɪt.əˈɹeɪ.ʃən/, optimization /ˌɑptəmaɪˈzeɪʃən/, accomplish /əˈkɑm.plɪʃ/
- Long words — get the stress right: pragmatism /ˈpɹæɡmətɪzəm/, analogy /əˈnæləd͡ʒi/, conservatism /kənˈsɜːvətɪzəm/, gravitational /ˌɡɹævɪˈteɪʃənəl/, iteration /ˌɪt.əˈɹeɪ.ʃən/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Start at 0.75× speed, shadow it sentence by sentence, then go back to normal speed once it feels easy.
- Record yourself and compare with the original, paying attention to words like anthropic, eval, interpretability.
What is the Shadowing Technique?
Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.















