Shadowing Practice: The IMPOSSIBLE Cold Case That Was Solved By Redditors - Learn English Speaking with Video
Vocabulary and speaking notes for this lesson
This B2 speaking lesson is built on the video “The IMPOSSIBLE Cold Case That Was Solved By Redditors”. The speaker keeps coming back to these words: christina, linda, missing. This video has 483 sentences and 6533 words to shadow. The speech runs for 42:03. The speaker talks at a natural 155 words per minute, close to everyday conversation. Only 77% of the words are among the 3,000 most common in English, so the vocabulary is demanding.
Key vocabulary in this video
The 15 most advanced words in the video, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| investigator noun | /ɪnˈvɛs.tɪˌɡeɪ̯.təː/ | One who investigates. |
| forensic adjective | /fəˈɹɛn.zɪk/ | Relating to the use of science and technology in the investigation and establishment of facts or evidence in a court of law. |
| reconstruction noun | /ˌɹiːkənˈstɹʌkʃən/ | The action of reconstructing something, not necessarily to the earlier state. |
| cemetery noun | /ˈsɛm.ɪˌtɛɹ.i/ | A place where the dead are buried; a graveyard or memorial park. |
| facial adjective | /ˈfeɪ.ʃəl/ | Of or affecting the face. |
| genealogy noun | /ˌd͡ʒiniˈɑlədʒi/ | The descent of a person, family, or group from an ancestor or ancestors; lineage or pedigree. |
| unidentified adjective | /ˌʌnaɪˈdɛntɪfaɪd/ | Not identified; having an unknown or unnamed identity. |
| bury verb | /ˈbɛɹi/ | To outlive. |
| unmarked adjective | Not bearing identification. | |
| haunt verb | /hɔnt/ | To inhabit or to visit frequently (most often used in reference to ghosts). |
| dental adjective | /ˈdɛn.təl/ | Of or concerning the teeth. |
| identification noun | /aɪˌdɛn(t)ɪfɪˈkeɪʃn̩/ | The act of identifying (i.e., which one, which thing). |
| jurisdictional adjective | Of or pertaining to jurisdiction. | |
| mitochondrial adjective | /ˌmaɪ.təˈkɑːn.dɹi.əl/ | Of, or relating to mitochondria. |
| persistence noun | /pəˈsɪst(ə)ns/ | The property of being persistent. |
Phrasal verbs you will hear
| Word | Meaning |
|---|---|
| fall through verb | To be unsuccessful, come to nothing; to be cancelled; not to proceed. |
| end up verb | To bring to a conclusion. |
| add up verb | To take the sum of; to total. |
| come across verb | To change sides; to cross over to work for the opposition. |
| come along verb | To accompany. |
| come back verb | To return to a place. |
| come forward verb | To offer help or information, especially about a crime. |
| drop off verb | To fall asleep. |
Grammar in this video
The structures the speaker uses most, with the exact words from the video:
| Structure | In the video |
|---|---|
| Conditional sentences if + clause, will/would + verb — a condition and its result | if he didn't try, no one else would |
| Passive voice be + past participle — the focus is on what happens, not who does it | had been murdered · been drawn · were discovered |
| Relative clauses who / which + clause — extra information about a person or thing | people who knew · man who discovered · someone who could |
| Present perfect have/has + past participle — a past action that still matters now | have spent · has felt · have never been entered |
Pronunciation to watch
The speaker uses 56 contractions and reduced forms, such as wasn't, didn't, couldn't. Say them the short way, as you hear them.
- The “th” sounds: sleuth /sluːθ/, breakthrough /ˈbɹeɪk.θɹuː/, tooth /tuθ/
- The “sh” and “zh” sounds: reconstruction /ˌɹiːkənˈstɹʌkʃən/, facial /ˈfeɪ.ʃəl/, identification /aɪˌdɛn(t)ɪfɪˈkeɪʃn̩/, limitation /lɪmɪˈteɪʃən/, institutional /ˌɪn.stɪˈtju.ʃə.nəl/
- Long words — get the stress right: investigator /ɪnˈvɛs.tɪˌɡeɪ̯.təː/, reconstruction /ˌɹiːkənˈstɹʌkʃən/, cemetery /ˈsɛm.ɪˌtɛɹ.i/, genealogy /ˌd͡ʒiniˈɑlədʒi/, unidentified /ˌʌnaɪˈdɛntɪfaɪd/
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 investigator, forensic, reconstruction.
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.











