胆战心寒是一个汉语成语，拼音是dǎn zhàn xīn hán，意思是害怕之极。
那个安全军官不由胆战心寒，后退了几步，他更希望机器人来帮他解决问题，而不是亲自与他们交战。
The security officer stepped back, unwilling to engage. He expected the droids to do his fighting for him.
我追寻爱的第二个原因是爱可以消解孤独——多么可怕的孤独，一眼望过世界的边缘便是深不可测而又没有生命的深渊，每每想起，便胆战心寒。
I have sought it, next, because it relieves loneliness-that terrible loneliness in which one shivering consciousness looks over the rim of the world into the cold unfathomable lifeless abyss.
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