precariousness 

英汉解释

n. 不安全；不稳定

同义词

n. uncertainness，uncertainty

反义词

n.   certainty，foregone conclusion，sure thing

参考例句

1. These reports have revealed to the insurgents the precariousness of their position.
这些报导使叛乱士兵知道了他们的危险境地。
2. The prophet of capitalism's creative powers also understood the precariousness of the capitalist achievement.
熊彼得既成功预言了资本主义的创造力，也同时看到了资本主义浮华背后的漏洞。
3. This year, the severe precariousness of the marketing in Chinese telecom communication, especially the mobile phone market, has reached its highest flight ever.
今年，中国移动通信流通领域的动荡达到前所未有的激烈程度，特别是手机流通市场最具代表性。

英英解释

n.
  1. extreme dangerousness
  2. being unsettled or in doubt or dependent on chance

网络释义

precariousness
危险; 不稳定; 根据不充分; 不安全;