Meaning trap
knock out
impress greatly
To amaze or impress someone very much, often by being unexpectedly good, beautiful, or effective.
Don't mix these meanings
Same phrase, different job.
To amaze or impress someone very much, often by being unexpectedly good, beautiful, or effective.
'knock out' also has the more basic meaning 'make someone unconscious'; this is the advanced sense.
Hear it in context
Notice where the phrase sounds natural.
The performance absolutely knocked me out—it was breathtaking from start to finish.
While many films are enjoyable, only a few truly knock audiences out with their originality and emotional impact.
Fix the pattern
One small grammar move makes it sound right.
Not: The view knocked out me.
Say: The view knocked me out.
With a pronoun, the object goes in the middle — 'knocked me out'.
Which sounds natural?
Tap the one a native speaker would say.
'Knock out' (informal) vividly means blow you away. 'Impressed enormously' is flat.
Build natural chunks
Words that usually travel with it.
knock + out
- knocked me out
- the food
- that view
- absolutely
Don't confuse it
Related
Other meanings and phrases to compare.
- knock out (make someone unconscious) — 'knock out' also has the more basic meaning 'make someone unconscious'; this is the advanced sense.