A hair-trigger situation has been created which could lead to an outbreak of war at any time.

局势风云突变，战争一触即发。

《柯林斯英汉双解大词典》

In the future, scientists could use drugs to 'turn on' genes, which could trigger hair growth.

未来科学家可以用药物来“激发”基因，这样就可以刺激毛发的生长了。

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India and Pakistan have only a hair-trigger three minute alert window once they get warnings of enemy attack.

在得到敌人攻击的警告之后，印度和巴基斯坦只有三分钟的警报窗口。

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Unfortunately for shareholders, a class of entrepreneurial class-action lawyers also frequent the Delaware courts, filing hair-trigger lawsuits whenever a takeover is announced, with hopes of collecting a fee to go away.

FORBES: Delaware Judge Ejects "Pilgrims" From Revlon Case

Other things being equal, Blomquist says, you should stay away from a fund with hair-trigger stock-picking.

FORBES: When to buy a closed-end

Back then, Clinton's emotional engagement in his presidency could be measured by the intensity of his hair-trigger temper.

CNN: The White House Adrift