Shadowing Practice: The Hunt for America's Smartest Killer - Learn English Speaking with Video
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Vocabulary and speaking notes for this lesson
This video has 353 sentences and 4547 words to shadow. The speech runs for 27:54. The speaker talks at a natural 163 words per minute, close to everyday conversation. Only 75% of the words are among the 3,000 most common in English, so the vocabulary is demanding.
Key vocabulary in this video
15 words from the video worth learning, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| manifesto noun | /ˌmæn.əˈfɛs.toʊ/ | A public declaration of principles, policies, or intentions, especially that of a political party. |
| cabin noun | /ˈkæbɪn/ | A small dwelling characteristic of the frontier, especially when built from logs with simple tools and not constructed by professional builders, but by those… |
| experiment noun | /ɪkˈspɛɹ.ə.mənt/ | A test under controlled conditions made to either demonstrate a known truth, examine the validity of a hypothesis, or determine the efficacy or likelihood of… |
| bombing noun | /ˈbɒmɪŋ/ | The action of dropping bombs from the air. |
| psychological adjective | /ˌsaɪ.kəˈlɑː.d͡ʒɪ.kl̩/ | Of or pertaining to psychology. |
| technological adjective | /ˌtɛk.nəˈlɑ.dʒɪ.kəl/ | Of, relating to, or involving technology, especially modern scientific technology. |
| explosive adjective | /ɛkˈspləʊsɪv/ | Able to, or likely to, explode. |
| killer noun | /ˈkɪlɚ/ | One who or that which kills. |
| publish verb | /ˈpʌblɪʃ/ | To issue (something, such as printed work) for distribution and/or sale. |
| bomber noun | /ˈbɑmɚ/ | A military aircraft designed to carry and drop bombs. |
| belief noun | /bɪˈliːf/ | Mental acceptance of a claim as true. |
| package noun | /ˈpæk.ɪd͡ʒ/ | Something which is packed, a parcel, a box, an envelope. |
| grid noun | /ɡɹɪd/ | A rectangular array of squares or rectangles of equal size, such as in a crossword puzzle. |
| mathematics noun | /mæθ(.ə)ˈmæt.ɪks/ | An abstract representational system studying numbers, shapes, structures, quantitative change and relationships between them. |
| motive noun | /ˈmoʊtɪv/ | An incentive to act in a particular way; a reason or emotion that makes one want to do something; anything that prompts a choice of action. |
Phrasal verbs you will hear
| Word | Meaning |
|---|---|
| check out verb | To record the departure or withdrawal of someone or something (such as guests, employees, books, etc.). |
| live off verb | To depend on financially. |
| break down verb | To stop functioning. |
| catch up verb | To pick up suddenly. |
| clean up verb | To make an area or a thing clean; to pick up a mess; to tidy. |
| find out verb | To discover, as by asking or investigating. |
| get around verb | To move to the other side of (something, such as an obstruction) by deviating from a direct course or following a curved path. |
| grow up verb | To mature and become an adult. |
Grammar in this video
The structures the speaker uses most, with the exact words from the video:
| Structure | In the video |
|---|---|
| Passive voice be + past participle — the focus is on what happens, not who does it | been feared · can be linked · is referred |
| Present perfect have/has + past participle — a past action that still matters now | has caught · have killed · have developed |
| Relative clauses who / which + clause — extra information about a person or thing | everyone who pisses · those who will · guy who owned |
Pronunciation to watch
The speaker uses 46 contractions and reduced forms, such as they're, doesn't, they'll. Say them the short way, as you hear them.
- The “th” sounds: mathematics /mæθ(.ə)ˈmæt.ɪks/, lethal /ˈliː.θəl/, thin /ˈθɪn/
- The “sh” and “zh” sounds: publish /ˈpʌblɪʃ/, capture /ˈkæp.(t)ʃɚ/, destination /dɛstɪˈneɪʃən/, harsh /ˈhɑɹʃ/, confession /kənˈfɛʃən/
- Long words — get the stress right: manifesto /ˌmæn.əˈfɛs.toʊ/, experiment /ɪkˈspɛɹ.ə.mənt/, psychological /ˌsaɪ.kəˈlɑː.d͡ʒɪ.kl̩/, technological /ˌtɛk.nəˈlɑ.dʒɪ.kəl/, mathematics /mæθ(.ə)ˈmæt.ɪks/
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 manifesto, cabin, experiment.
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.




















