It's uncertain whether they will accept the plan.(他们会不会接受这项计划现在还不清楚。)
"Oh yes," was the faint, uncertain reply.(“哦，是的。”这是她虚弱且不确定的回答。)
He was uncertain about his brother's intentions.(他对他兄弟的意图心中无数。)
The baby took its first uncertain steps.(宝宝迈出了最初的蹒跚的脚步。)
Nowadays, we rely on news for information, but we are uncertain about the truth of the news.(如今，我们依靠新闻获取信息，但我们却不确定新闻的真实性。)
I'm still uncertain of my feelings for him.(我仍不能肯定我对他的感情。)
Over that length of time, forecasts become more uncertain.(在那段时间里，预测变得更加不确定。)
But for the most part, these benefits seem thin, uncertain, and far off.(但在大多数情况下，这些好处似乎是微乎其微的、不确定的以及遥远的。)
For example, a company may be able to estimate accurately the aggregate number of shoes it will sell, but it may be uncertain about which specific types of shoes will sell more than other types.(例如，一个公司也许能够准确地估计它将销售的鞋子总数，但它可能不确定哪一种特定类型的鞋子将比其他类型的鞋子卖得更多。)
How much practical help they can give us is uncertain.(他们能给我们多少实际帮助还是个未知数。)
