knee jerk

A reflexive, automatic, or unthinking reaction to a situation, often without careful consideration. Originally refers to the physical reflex when the knee is tapped.

ruРефлекторная, автоматическая или необдуманная реакция на ситуацию, часто без тщательного обдумывания. Изначально относится к физическому рефлексу при постукивании по колену.esReacción refleja, automática o no pensada ante una situación, a menudo sin consideración cuidadosa. Originalmente se refiere al reflejo físico al golpear la rodilla.frRéaction réflexe, automatique ou irréfléchie à une situation, souvent sans considération approfondie. À l'origine, cela fait référence au réflexe physique déclenché par une percussion du genou.deEine reflexive, automatische oder unüberlegte Reaktion auf eine Situation, oft ohne sorgfältiges Nachdenken. Ursprünglich bezeichnet es den körperlichen Reflex beim Klopfen auf das Knie.ptReação reflexa, automática ou impensada a uma situação, frequentemente sem refletir. Originalmente refere-se ao reflexo físico ao bater no joelho.zh指不假思索、自动或冲动的反应，常未经深思熟虑；最初指敲击膝盖时产生的生理反射。arرد فعل تلقائي غير إرادي أو متسرع دون تفكير، وأصله في الفسيولوجيا رد الفعل الركبي الناتج عن النقر على الوتر تحت الرضفة.

1. Automatic reaction B2 informal

   A quick, automatic, and often unthinking response to a situation.

   • His knee-jerk reaction was to say no before thinking.
   • The government's knee-jerk response to the crisis was criticized.
   • She had a knee-jerk emotional outburst when she heard the news.

   ruАвтоматическая реакцияesreflejo automáticofrréflexedeAutomatische ReaktionptReação automáticazh本能反应arرد فعل تلقائي

2. Reflexive action B2 formal

   A physical reflex where the leg kicks forward when the tendon below the kneecap is tapped.

   • The doctor tested his knee-jerk reflex with a small hammer.
   • A normal knee-jerk response indicates healthy nerve function.
   • The patient's knee jerk was absent, suggesting a possible nerve issue.

   ruРефлекторное действиеesreflejo rotulianofrréflexe rotuliendeReflexartige HandlungptAção reflexazh膝跳反射arفعل انعكاسي