I wasn't sure how fast to go.

我不确定有多远。

The date of his departure is uncertain.

他离开的日期尚未确定。

I doubt if it will rain today.

我不能确定今天是否会下雨。

They fixed on him to speak on their behalf.

他们已经确定他作为代表言。

Objective To confirm the serum pharmacochemistry of Xingnao Gutta Pills.

目的确定醒脑滴丸血清药物化学。

It is not certain when it will take place.

不能确定这事什么时候会。

A scan determines the position of the baby in the womb.

描可以确定胎儿在子中的位置。

The prognosis for the economy is uncertain.

对经济的前还不确定。

They are trying to decide where to situate the hospital.

他们正设法确定医院的修建地点。

We got a fix on the missile launching site.

我们确定了导弹射场的位置。

His succession as headmaster was not in any doubt.

他继任校长是确定无疑的。

In my opinion, the curvature was determined experimentally.

依我看，这种曲度是根据实验确定的。

"Are you sure Lambie will come back today?"

"你确定小羊今天会回来吗?"

It is not yet certain who will succeed him.

谁来接他的班还未确定。

She is as yet undecided in which direction she wants to make her future career.

她还没有确定自己事业展的方向。

I myself am unsure how this problem should be handled.

我自己不能确定这个问题应该怎样处理。

It is possible to assign an exact date to this building.

这座建筑物的确切年代是可以确定的。

Objective to determinate recipe and producion craft of Armillarisin A Injection.

确定亮菌甲素注射液处方及产工艺。

She is responsible for the determination of wage levels within this company.

她负责确定这家公司职员的工资标准。

Our holiday plans are still at an indeterminate stage.

我们的度假计划仍处于未确定的阶段。