hair-trigger
n.
1830, originally a secondary trigger in a firearm which sprung free a mechanism (hair) which, when set, allowed the main trigger, n. to be released by very slight force. Figurative use by 1841.
| 词汇 | hair-trigger |
| 词根词缀 | Online Etymology Dictionary hair-trigger n. 1830, originally a secondary trigger in a firearm which sprung free a mechanism (hair) which, when set, allowed the main trigger, n. to be released by very slight force. Figurative use by 1841. |
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