knee-jerk

名词 n. 形容词 adj.
中文释义

英文释义

名词 n.
  1. A sudden reflexive movement of the leg below the knee, as a reaction to a tap to the tendon just below the patella (kneecap).
形容词 adj.
  1. Unthinking, not carefully considered, (nearly) automatic, spontaneous, easily predictable.
    — He gave a knee-jerk response.

词形变化

more knee-jerk comparative most knee-jerk superlative kneejerk alternative knee jerk alternative knee-jerks plural kneejerk alternative knee jerk alternative

词源

词源 1
From knee + jerk, First attested c. 1876, and derived from a figurative sense of the patellar reflex.
词源 2
From knee + jerk, First attested c. 1876, and derived from a figurative sense of the patellar reflex.
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