It was a difficult job as Helen was unable to see, hear or speak because of illness.

这是一项很困难的工作，因为海伦身患疾病，不能看、听和说话。

youdao

Inspection technology allows more than 100 million measurements a second to be made across the ribbon, locating flaws the unaided eye would be unable to see.

检测技术可以在一秒钟内对玻璃带进行超过1亿次的测量，从而定位肉眼无法看到的瑕疵。

youdao

It was the fog. She was unable to see her goal.

因为有雾，她根本看不到自己的目标。

youdao

"And we want justice." Leyda's mother,Mely, says that because of her status, she has been unable to return to Equador to see the rest of her family for 18 years.

VOA: standard.2010.03.21

Soldiers were unable to see into the van, a spokesman for Central Command said.

CNN: U.S. soldiers fire on van carrying women and children

It also meant the midfielder was unable to see England kick off against Greece.

BBC: SPORT | Football | Europe | Beckham late for Madrid training

It was heavily staffed by blacks, who have been unable to see beyond the Great Divide.

ECONOMIST: A minority worth cultivating