Shadowing Practice: Mark Zuckerberg: “Alex, are you sure this is going to work?” - Learn English Speaking with Video

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19 sentences
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1
At the end of last year, we're like, all right, we are quite excited about the progress.
2
We haven't seen the models yet.
3
It's like, I'm going to write this check for, I don't know, like $100 billion or $200 billion.
4
I'm like, Alex, are you sure this is going to work?
5
It was so extreme that we had the whole exec team.
6
I think Susan scared you a bit.
7
Yeah, well, yeah, no. Well, it's like the joke every time we talked about it would just be like,
8
yeah, and we hope it's all going to work and be good.
9
But there were literally, like the end of last year, other than me giving a vibe report or how our research was going
10
and it could sort of show some plots and whatnot.
11
But it was like, I mean, I was feeling good about it, but it was certainly not clear at all that it was going to work.
12
You guys are saying
13
that the essence of training a frontier model is you have to push your chips all in before
14
you've been dealt the cards.
15
You just have to decide that you're going to develop a frontier model and you don't get to meter the investment.
16
At this scale.
17
I mean, back a few years ago, the clusters didn't have to be this big, but now they do.
18
So I think this is part of the excitement of brooding up a frontier lab
19
now is basically like the ante is extremely high.

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Vocabulary and speaking notes for this lesson

This speaking lesson is built on the video “Mark Zuckerberg: “Alex, are you sure this is going to work?””. This video has 19 sentences and 252 words to shadow. The speech runs for 1:21. The speaker talks fast, about 186 words per minute, so expect linked and reduced sounds. 87% 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 words from the video worth learning, with pronunciation and meaning:

WordPronunciationMeaning
frontier noun/ˈfɹʌntɪə/The part of a country which borders or faces another country or unsettled region.
chip noun/t͡ʃɪp/A small piece broken from a larger piece of solid material.
excitement noun/ɪkˈsaɪtmənt/The state of being excited (emotionally aroused).
scare verb/skɛɚ/To frighten, terrify, startle, especially in a minor way.
essence noun/ˈɛsəns/The inherent nature of a thing or idea.
cluster noun/ˈklʌstɚ/A bunch or group of several discrete items that are close to each other.
vibe noun/vaɪb/An atmosphere or aura felt to belong to a person, place or thing.
metre noun/ˈmiːtəɹ/The basic unit of length in the International System of Units (SI: Système International d'Unités), equal to the distance travelled by light in a vacuum in…
ante noun/ˈænti/A price or cost, as in up the ante.
brood verb/bɹud/To keep an egg warm to make it hatch.
exec nounAn executive; a person employed at the executive level.
whatnot noun/ˈwʌt.nɑt/A small unspecified object; bric-a-brac (in plural).

Grammar in this video

The structures the speaker uses most, with the exact words from the video:

StructureIn the video
Present perfect have/has + past participle — a past action that still matters nowhaven't seen · you've been dealt
Passive voice be + past participle — the focus is on what happens, not who does ityou've been dealt

Pronunciation to watch

The speaker uses 9 contractions and reduced forms, such as don't, I'm, didn't. Say them the short way, as you hear them.

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 frontier, chip, excitement.

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.

Shadowing technique: read the full step-by-step guide →