hair trigger

同根派生

According to the Brady Report, $60 billion to $90 billion of equities were poised on this hair trigger in mid-October of 1987.
根據(jù)一份研究報(bào)告顯示：有高達(dá)600億到900億的股票投資在1987年十月中面臨一觸即發(fā)的險(xiǎn)境。
Overall, the immune system appeared to be on a hair trigger, prepared to assault gut bacteria and held in check only by T-regs.
大體上，免疫系統(tǒng)似乎是處在一觸即發(fā)的狀態(tài)，隨時(shí)準(zhǔn)備攻擊腸道中的細(xì)菌，全靠調(diào)節(jié)性T細(xì)胞控制著。
This gun has a hair trigger.
這支槍裝著微力扳機(jī)。
She had her hair styled at the beauty parlor.
她的頭發(fā)是在美容院做的。
He slicks his hair down with oil every day.
他每天搽油把頭梳得光溜溜的。