1.The three dollars he received for the triolets he used to eke out a precarious existence against the arrival of the WHITE MOUSE check.
他拿三篇小三重奏的三块钱凑合着应付到了《白鼠》的支票到达。
2.Some animals have to take perpetual struggle for the preservation of a perilous and precarious existence.
有些动物不得不为了维护危险的、不稳定的生存而进行不断的斗争。
3.As capitalism has advanced it has returned most people to a new version of the precarious existence of Marx's proles.
随着资本主义的发展，它让大多数的人对马克思无产阶级的朝不保夕的生活有了新的看法。
4.It exists at all in relatively few countries, and even in these it has a precarious existence.
它要是真有，也仅见于为数甚少的几个国度；而且，即使在这里，它也处在风雨飘摇之中。
5.In the country's isolated northern and eastern border lands, families have always clung to a precarious existence.
在肯尼亚北部和东部荒寂边境地区生活的人们努力维持着他们朝不保夕的生活。
6.And like most people who lead a precarious existence, they tend to be worried, not contented.
大部分人面临绝境时，感到的是焦虑而不是满足。
7.They lead the most precarious existence of all.
他们是人类生活中最不安定者。
8.Would he ever leave and go to the city in search of a less precarious existence?
他会不会离开这个地方，去城市寻找更好的生活呢？