Shadowing Practice: 4.20 One Eye Open - Learn English Speaking with Video

Creating lesson...
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Story 20 One Eye Open Can you imagine sleeping with one eye open?
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Well, fruit bats don't think this is strange.
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When fruit bats sleep, they only close one eye.
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Why do they do this?
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Scientists think it is to stay safe from other animals who might want to eat them.
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When a fruit bat sleeps, part of its brain is asleep and part is awake.
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Wow!
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Guess whether I'm asleep or awake.
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If you want to shine tomorrow, you have to sparkle today.
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Ten minutes a day goes a long way.
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Thank you for watching and see you next time.

Vocabulary and speaking notes for this lesson

This video has 11 sentences and 100 words to shadow. The speech runs for 0:50. The speaker talks at a steady 120 words per minute, a comfortable pace for shadowing.

Key vocabulary in this video

10 words from the video worth learning, with pronunciation and meaning:

WordPronunciationMeaning
asleep adjective/əˈsliːp/In a state of sleep; also, broadly, resting.
awake verb/əˈweɪk/To become conscious after having slept.
scientist noun/ˈsaɪəntəst/One whose activities make use of the scientific method to answer questions regarding the measurable universe. A scientist may be involved in original research…
shine verb/ʃaɪn/To emit or reflect light so as to glow.
sparkle noun/ˈspɑɹ.kəl/A little spark; a scintillation.
fruit noun/fɹut/A product of fertilization in a plant, specifically
strange adjective/stɹeɪnd͡ʒ/Not normal; odd, unusual, surprising, out of the ordinary, often with a negative connotation.
brain noun/ˈbɹeɪ̯n/The control center of the central nervous system of an animal located in the skull, consisting of the cerebrum, cerebellum, and brainstem, which is responsible…
imagine verb/ɪˈmæd͡ʒ.ɪn/To form a mental image of something; to envision or create something in one's mind.
animal noun/ˈænɪməl/A multicellular organism of the kingdom Animalia that is usually mobile, with cells that are not encased in a rigid cell wall (distinguishing them from plants…

How to practise with this video

  1. Listen to the whole video once without speaking and note the words you do not know.
  2. Shadow it sentence by sentence at normal speed, repeating each one until your rhythm matches the speaker.
  3. Record yourself and compare with the original, paying attention to words like asleep, awake, scientist.

Grammar in this video

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

StructureIn the video
Possibility with “might / may” might/may + verb — something that is possible but not certainmight want
Obligation: must / have to / need to saying that something is necessaryhave to sparkle

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 →