trigger-happy

a. 爱乱开枪的, 好战的
在线英汉词典
trigger-happy的短语、例句:
trigger-happy adj (infml derog 口, 贬) ready to react violently, esp by shooting, even when only slightly provoked 爱做出激烈反应的; (尤指)动辄开枪的.
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