hair-trigger 的意思
极敏感的; 触发容易的
hair-trigger 的词源
hair-trigger(n.)
1795年首次出现;到1841年开始被用作比喻。Hair 可能是指激活它所需的轻微压力。
The difference between a hair-trigger and a common trigger is this—the hair-trigger, when set, lets off the cock by the slightest touch, whereas the common trigger requires a considerable degree of force, and consequently is longer in its operation. [Charles James, "Military Dictionary," London, 1802]
发条扳机和普通扳机之间的区别在于——发条扳机在设定后,只需轻触即可释放击锤,而普通扳机则需要相当大的力气,因此操作时间更长。[查尔斯·詹姆斯,《军事词典》,伦敦,1802年]
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hair-trigger 的使用趋势
改编自 books.google.com/ngrams/. Ngrams 数据仅供参考。
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