When he was at university, he never stopped thinking about his invention.

当他在大学时，他从未停止对其发明的思考。

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He met with many difficulties on the road. But he never stopped travelling and writing.

他在路上遇到了许多困难。但他从未停止旅行和写作。

youdao

Although Xu was widely considered to be the best, he never stopped trying to become better.

虽然人们普遍认为许是最好的，但他从未停止努力变得更好。

youdao

Then he stopped. He said: "I never,in all my life, felt more sure that I was doing right than I do in signing this paper.

VOA: special.2009.10.08

He never stopped thinking about his people and the things he cared about.

WHITEHOUSE: Remembering Senator Robert Byrd

However acclaimed he was late in life for his filmmaking, he never stopped regarding himself above all as a painter.

WSJ: Avant-Garde Film's Godfather | Hans Richter | Los Angeles County Museum of Art | Richard B. Woodward

Meanwhile, he never stopped trying to work out the structure of things.

ECONOMIST: Richard Smalley