She was not able to bear children.

她不能生育。

《牛津词典》

He told them he was old and feeble and was not able to walk so far.

他告诉他们自己年老体弱，不能走那么远。

《柯林斯英汉双解大词典》

We are not able to provide them with help.

我们不能向他们提供救济。

youdao

Pieter Hoff says the nice thing about the siphons is that, once collected, the water is not able to evaporate anymore.

VOA: special.2010.07.13

And then he makes some comments about how,well, ; he could never pick cotton fast enough; he's just not able to do it as black men are.

于是他对采棉花进行了一些评价，他觉得自己永远没法采摘的够快;,没法像那些黑人一样迅速。

耶鲁公开课 - 1945年后的美国小说课程节选

But usually, if you are not able to work out something in terms of taking the exam at a different time,

不过通常情况下，你不太可能被允许换个时间参加考试，

临时抱佛脚？也做过 - SpeakingMax英语口语达人

Our client is not able to make any further comment in relation to this matter.

BBC: QPR striker Loic Remy arrested in gang rape investigation

Warshak was not able to keep it up without attracting the attention of the feds.

FORBES: Your Email Now Warrants Greater Privacy, Thanks to Sex Pill Peddling Dude

In many cases, he tells employees that he is not able to answer yet.

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