The footfall was an uncertain and shuffling one.

脚步声慢吞吞地，象拖着步子。

What matter it though life uncertain be to all?

何必去管它，人生总无？

We may leave our partner uncertain where they stand or deeply aware of their inadequacies.

我们让伴侣不知所措　或不断让他知道自己的缺陷。

Whether all this ingenuity unravels any cosmic truth is uncertain.

所有这种独出心裁否能解开宇宙的真相，还不。

He made uncertain movements, because everything in his head was vague and uncertain.

他茫然地来去，因为他脑子里的一切都模糊而不的。

Since the inputs into our models are uncertain, naturally, their outputs will be uncertain too.

由于我们模型的输入不的，自然地，它们的输出也不的。

They are more fallible, it's definitely an uncertain time.

他们更容易犯错误，这一个不的时代。

That the evidence was inconclusive, the science uncertain?

怀疑者们（还）坚持（吸烟的结果）还没论，科学也不。

The future of the ISS is uncertain.

国际空间站的未来不的。

There was a short mumbled argument, punctuated with curses, and uncertain feet ascended the stairs.

外面传来一阵模模糊糊的争论声，夹杂着咒骂声，接着就有人摇摇晃晃上台阶的声音。

Being confused and uncertain around such concepts.

混淆和周围这样的概念不性。

How that process will work is uncertain.

这个过程将如何进行还不。

The two of you made us uncertain!

你俩把我们搞得" 不" 了！

Talking about the future is always uncertain.

谈论未来总不的。

But 'could' sounds a little more uncertain.

但 could 听起来更不一些。

The election has left Israelis confused and uncertain.

这次选举让以色列面临疑惑和不性。

But as we know; the future is uncertain.

但正如我们所知，未来不的。

The future for Ayla is hopeful but uncertain.

艾拉的未来充满希望，但也充满不性。

It's uncertain how many people were injured.

目前还不清楚受伤人数。

So I was very nervous and uncertain at first.

因此，我一开始就感到神经过敏和心神不。