uncertain about

基本解释

Tarhouni remains uncertain about what role he'll play in the new government.
对于自己在新政府中将扮演何种角色，塔胡尼还不是很确定。
As a basic rule of thumb for making decisions, when we're uncertain about realities in the world, contagion thinking has probably served us well.
作为凭经验决策的基本原则，当我们对真实世界不确定时，感染思维可能就对我们起作用。
Nowadays, people get information through news and papers, but meanwhile are uncertain about the truth of these news. Should we believe the journalists?
现代人们依赖新闻和报纸去了解信息，但往往又不是很确定这些报纸或新闻的真实性,我们是否应该信赖记者呢？

says the whirlwind of activities leading up to the Oscars leaves him uncertain how he feels about his nomination as best actor.
We can't know anything certain about the eternal and the immortal world of Paradise Lost except through these faculties we have and those are uncertain, imperfect, fallen human capacities of reading.
我们无法了解任何确切的,有关中的永恒不灭的世界的认识,除非那些借助于已有的不确切不完美的阅读技巧。
耶鲁公开课 - 弥尔顿课程节选
And So, Descartes used the method of doubt to say there's something really different about having a body that's always uncertain, from having a mind.
因此,笛卡尔运用怀疑方法得出,与拥有不可确定的身体不同,拥有心理是肯定的
耶鲁公开课 - 心理学导论课程节选

This leaves us uncertain about the effects of any particular rise in atmospheric CO2.
FORBES: Global Warming Will Increase Tropical Forests