knee jerk

基本解釋

Initially the knee jerk is to sell JPY, but the reality is that JPY strengthens dramatically.
最初大家的反應(yīng)都是賣掉日元，但事實(shí)上，日元會(huì)非常戯劇化的走強(qiáng)。
It's impossible to say hello without smiling. One leads to the other just as a tap causes a knee jerk.
說(shuō)“你好”的時(shí)候，是不可能不麪?zhēng)⑿Φ?，而且能一個(gè)傳給另一個(gè)，正如敲擊膝蓋引起的條件反射。
blog.sina.com.cn
The knee jerk is a typical respondent .
膝反射是一種典型反射。
www.translation-dictionary.net

But she thoughtfully pleas for reasoned contemplation and discussion rather than knee jerk reactions.
FORBES: Frankenstein's Cat: New Book Shines Light on the 'Brave New World' of GMO Animals
Or was it just the threat of a knee jerk reaction against an obviously fragile financial system?
FORBES: Don't Invest In Political Footballs
Personally, I would really like to see more umpire consultations after a close call rather than the knee jerk reaction for instant replay.
FORBES: The Plight of The Umpires And The Inevitability Of Instant Replay