This is a target which is surely within the realm of possibility.

I missed the target by one foot.

我差一英尺就击中目标.

The arrow penetrated through the centre of target.

箭穿透靶心.

He fired and hit the outermost ring of the target.

他开枪射中了靶子的最外一环。

He could hit his target one hundred times without a single miss.

他打靶能百发百中.

The government usually overshot its original spending target.

政府通常会超出其最初的开支目标。

Learning difficulties, as they are politely called, make children a target for bullies.

有学习障碍（一种委婉的说法）的孩子会成为被欺辱的对象。

He missed the target only once yesterday.

昨天他只有一次脱靶.

We aimed the microscope at a likely looking target.

我们把显微镜对准了一个看起来合适的目标。

Korea has been a target of threats and slanders from the major western powers.

朝鲜一直是西方主要大国威胁和诋毁的目标。

All works of art have life as their source.

一切文艺创作都来源于生活.

Scientific research is widely claimed to be the source of the high standard of living in the US.

科学研究被普遍认为是美国高生活水准的源泉。

The river has its source [ rise ] in the mountains.

这条河发源于群山之中.

A senior source close to Mr Blair told us: "Our position has not changed."

和布莱尔先生关系密切的一位高层人士告诉我们说：“我们的立场没有改变。”

It would be useful if you could nail down the source of this tension.

如果你能弄清这种紧张的根源，将会大有益处。

We pasted the enemy's greatest source of supply.

我们对敌人的最大补给来源予以重击.

Supporters say open source software is more secure.

拥护者认为开放源代码软件安全性更高。

Try to buy wood that you know has come from a sustainable source.

尽量购买来自可持续发展林的木材。

They lived in fear of their master.

他们惧怕主人，提心吊胆地过日子。

She is master of the situation.

她控制着局面.

The question is whether technology is going to be our servant or our master.

问题是科技将为我们所用还是要驾驭我们。