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Grammar fix

a knee-jerk reaction

instinctive, unthinking reaction

an immediate response to something, made without thinking carefully, often emotional or automatic rather than considered.

collocationC1common

Hear it in context

Notice where the phrase sounds natural.

  • His comment was just a knee-jerk reaction to the criticism, not a well-thought-out response.communication
  • In my opinion, governments should avoid making knee-jerk reactions to public pressure and instead take time to consider the long-term consequences.IELTS speaking

Fix the pattern

Pattern: a knee-jerk reaction (to something)

WrongDon't make a knee-jerk reaction.

RightDon't have a knee-jerk reaction. / Don't react in a knee-jerk way.

You 'have' a knee-jerk reaction (or react that way); 'make' sounds off.

Patterna knee-jerk reaction (to something)

Use it right

Choose the version that sounds natural in speech.

Stiff His response was immediate and made without any careful thought.

Natural It was a knee-jerk reaction.

The idiom names the whole thing — automatic, unconsidered, usually criticised.

Build natural chunks

Words that usually travel with it.

  • a knee-jerk reaction/response
    reactionresponseavoidtypical

Don't confuse it

Unlike a simple 'quick reaction', a 'knee-jerk reaction' emphasises that the response is automatic and not carefully considered, often implying it is not the best or most reasonable response.

Try it in Daily Speak →