precarious /prɪˈkerijəs/ adjective Learner's definition of PRECARIOUS
[more precarious; most precarious]
: not safe, strong, or steady不安全的；不牢靠的；不稳定的 -
He earned a precarious livelihood/living by gambling.他靠赌博谋生，过着朝不保夕的生活。
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She was in a state of precarious [=delicate] health.她的健康状况不稳定。
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The government is in a precarious position. [=a dangerous position that must be dealt with carefully]政府处于一种不稳定的状态。
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The strong wind almost knocked him off of his precarious perch on the edge of the cliff.他在悬崖边站得不稳，大风差点把他饮下悬崖。
— precariousness
noun [noncount]