The boy is unable to reach the apple.

男孩够不着苹果。

The firemen were unable to quench the fire.

消防人员无法扑灭这场大火。

The authorities were unable to jam this wavelength.

当局无法干扰这一波长。

A little baby is unable to walk or talk.

婴儿是不会走路或说话的。

He was unable to escape the array of facts.

他无法躲避一连串的事实。

They were unable to run the telephone network economically.

他们未能经济地经营电话网络。

She had a stroke and was unable to walk again.

中风后再也不能走路了。

She was unable to keep back her tears, and wept freely.

抑制不住, 地哭了起来。

He is unable to do the job for lack of experience.

他缺少经验不能胜任这项工作。

The boat was unable to make much headway against the tide.

船逆着潮无法行。

I was unable to resist laughing.

我忍不住笑了。

Despite their valiant efforts, they were unable to save the child’s life.

他们虽然很勇敢地努力抢救, 却没能救回小孩的生。

She was unable to conceive a child naturally and was offered fertility treatment.

不能自然怀孕而接受受孕治疗。

Children can get frustrated when they are unable to achieve realism in their drawings.

如果孩子们在绘画中表现不出真实性，他们就会变得灰心丧气。

Because of the large crowd in the street the carriage was unable to pass.

由于街上群众很多，车辆无法前进。

She was unable to bear.

忍受不了啦。

I am unable to tolerate that my mother often calls my petname-earthpea even i was already married!

我不能忍受甚至在我已经结婚后我妈仍然叫唤我的乳名-花生！

This word, Nadaer fan is unable to restrain to feel that spent the Son of Heaven a little “mean-spiritedly”.

此言一出，纳达尔的球迷不禁感到费天王有点“小气”了。

The group— from the laboratories of one of us (Collier) and George M.Whitesides—reasoned that a plugged heptamer would be unable to draw the factors into cells.

这个由柯里尔（我们其中一人）和怀特赛斯所领导的实验室认为，堵塞住的七聚体应该不能携带这些子到细胞里头。

Denis Plunkett, of the British Flying Saucer Bureau, based in Winterbourne, near Bristol, was unable to comment on the video but said there were ways to verify its authenticity.

位于布里斯托尔附近温特伯尔尼的英国飞碟署的丹尼斯·普兰科特表示无法对该视频发表评论，但称有办法鉴别其真伪。