She is unable to conceive.

她不能怀孕。

She was unable to keep back her tears.

她无法忍住泪水。

He is unable to relate to other people.

他不能够与别人沟通。

I was unable to shake off my self-pity.

我无法从自怜中摆脱出来。

She was unable to contain her excitement.

她无法抑制内心的激动。

He was unable to control his sensibility.

他无法控制自己敏锐的情感。

She was unable to restrain her desperate anger.

她无法抑制她那不顾一切的愤怒。

The road was so narrow that cars were unable to pass.

道路太窄，汽车无法通过。

He was unable to contain his own destructive feelings.

他无法克制自己的消极情绪。

The police have been unable to serve a summons on him.

警方一直无法把传票送达他本人。

They were unable to mobilize the resources they needed.

他们无法调用他们需要的资源。

He found John pacing around the house, unable to sleep.

他发现约翰正在房子里四下踱步，无法入眠。

I was unable to attend because of a previous engagement.

我因有约在先，无法出席。

She was unable to attend because of the pressure of work.

由于工作紧张她不能出席。

I regret that I am unable to accept your kind invitation.

很遗憾，我不能接受你的友好邀请。

She was unable to attend because of the pressures of work.

由于工作紧张她不能出席。

She will be unable to attend because of a prior engagement.

因事先有别的安排，她将不能出席。

The party has been unable to attract upwardly mobile voters.

这个政党已经无法吸引那些向社会更高层流动的选民。

Hippos are unable to submerge in the few remaining water holes.

河马无法淹没在仅存的几个水坑里。

He lay there, unable to move.

他躺在那里动弹不得。

I found myself unable to speak.

我发现自己说不出话了。

Doctors were unable to save her.

医生未能把她救活。

Doctors were unable to save him.

医生未能把他救活。

She was unable to find employment.

她没能找到工作。

The system is unable to log you on.

这个系统无法让你登录。

She was unable to grasp how to do it.

她弄不明白这事该怎么做。

She was unable to suppress her anger.

她按捺不住怒火。

He was unable to contact Blake by radio.

他未能通过无线电和布莱克取得联系。

I tried to contact him but was unable to.

我试着跟他联系，却没联系上。

The driver was unable to hang on to his lead.

这位车手没能守住自己的领先地位。