请参考: 世间的一切生命在平衡中命悬一线. And all of life may hang in the balance. 1.命悬一线:in imminent danger 2.智尽词穷可拆成江郎才尽和无话可说 江郎才尽:one's creative powers have been exhausted/at wit's end/at one's wit's end 无话可说: (idiom) to have no other alternative (idiom) above criticism; perfect 翻译要灵活,自己斟酌一下吧.