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knock out (2) Informal

Meaning: If you knock somebody out, you impress them very much with something you do, or something you make.

Synonym: impress, amaze

For example:

  • knock sb out I just heard Kanye's new album and it really knocked me out. It's got some great songs on it.

  • knock sb out Don't worry! You'll knock everyone out with your presentation. It's brilliant!

Quick Quiz:

When Tess showed her new film at Cannes, it knocked everyone out. They
  1. hated it
  2. loved it
  3. went to sleep

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