Shadowing Practice: I Left a $100B Giant to Build dLocal | CEO Pedro Arnt - Learn English Speaking with Video
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Vocabulary and speaking notes for this lesson
This video has 604 sentences and 8055 words to shadow. The speech runs for 50:14. The speaker talks at a natural 160 words per minute, close to everyday conversation. 83% 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
15 less common words from the video, with pronunciation and meaning:
- merchant /ˈmɝt͡ʃənt/ (noun) — A person who traffics in commodities for profit.
- emerge /ɪˈmɝd͡ʒ/ (verb) — To come into view.
- infrastructure /ˈɪnfɹəˌstɹʌkt͡ʃə/ (noun) — An underlying base or foundation for a building, organization, or system.
- solve /sɒlv/ (verb) — To find an answer or solution to a problem or question; to work out.
- investor /ɪnˈvɛs.tə(ɹ)/ (noun) — A person who invests money in order to make a profit.
- stable /ˈsteɪ.bəl/ (noun) — A building, wing or dependency set apart and adapted for lodging and feeding (and training) ungulates, especially horses.
- fiat /ˈfaɪæt/ (noun) — An arbitrary or authoritative command or order to do something; an effectual decree.
- crypto /ˈkɹɪptoʊ/ (noun) — A secret supporter or follower.
- commerce /ˈkɑ.mɚs/ (noun) — The exchange or buying and selling of commodities; especially the exchange of merchandise, on a large scale, between different places or communities; extended…
- margin /ˈmɑɹ.d͡ʒɪn/ (noun) — The edge of the paper, typically left blank when printing but sometimes used for annotations etc.
- stack /stæk/ (noun) — A large pile of hay, grain, straw, or the like, larger at the bottom than the top, sometimes covered with thatch.
- blockchain (noun) — A shared record of past transactions in a distributed network, typically used for cryptocurrency.
- stripe /stɹaɪp/ (noun) — A long region of a single colour in a repeating pattern of similar regions.
- expand /ɪkˈspænd/ (verb) — To change (something) from a smaller form or size to a larger one; to spread out or lay open.
- gross /ɡɹoʊs/ (adjective) — remarkably great, big, vast in an often unpleasant way; (of behaviour) Highly or conspicuously offensive.
Phrasal verbs you will hear
- look at (verb) — To observe or watch.
- talk about (verb) — Used to draw attention to the speaker's characterization of someone or something.
- work on (verb) — To apply mental or physical effort to (something) in order to shape, form, improve, investigate, solve it, etc.
- deal with (verb) — To handle verbally or in some form of artistic expression; to address or discuss as a subject.
- come from (verb) — To have as one's origin, birthplace or nationality.
- carry out /ˈkæ.ɹi aʊt/ (verb) — To hold while moving it out.
- come in /ˌkʌm ˈɪn/ (verb) — To enter.
- figure out (verb) — To come to understand; to discover or find a solution; to deduce.
Pronunciation to watch
The speaker uses 194 contractions and reduced forms, such as you're, we're, I'm. Say them the short way, as you hear them.
- The “th” sounds: thesis /ˈθisɪs/, algorithm /ˈælɡəɹɪðm̩/, bother /ˈbɑðɚ/
- The “sh” and “zh” sounds: efficient /ɪˈfɪʃənt/, essentially /ɪˈsɛnʃəli/, translation /tɹænzˈleɪʃən/, innovation /ˌɪn.əˈveɪ.ʃən/, operational /ˌɑ.pəˈɹeɪ.ʃə.nəl/
- Long words — get the stress right: infrastructure /ˈɪnfɹəˌstɹʌkt͡ʃə/, importantly /ɪmˈpɔɹ.tənt.li/, essentially /ɪˈsɛnʃəli/, innovation /ˌɪn.əˈveɪ.ʃən/, operational /ˌɑ.pəˈɹeɪ.ʃə.nəl/
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 merchant, emerge, infrastructure.
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 | I've been saying · we've been seeing · I've been using |
| Present perfect have/has + past participle — a past action that still matters now | haven't heard · have never lived · you've built |
| Passive voice be + past participle — the focus is on what happens, not who does it | being launched · is recognized · being viewed |
| Relative clauses who / which + clause — extra information about a person or thing | issue, which is · people who look · doing, which is |
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.












