English version

knee-jerk

From Longman Dictionary of Contemporary Englishknee-jerkˈknee-jerk adjective [only before noun] 🔊 🔊 HABITa knee-jerk reaction, answer etc is what you feel or say about a situation from habit, without thinking about it syn automatic 🔊 A victim’s knee-jerk reaction to the crime is often revenge.
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