He stopped trying when he might have succeeded.

本该成功时，他却停止了努力。

youdao

We should learn from Thomas Edison who never stopped trying one more time even if he failed 10000 times.

我们应该向托马斯·爱迪生学习，即使是失败了一万次，他也不放弃再尝试一次。

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

Eventually, Fallon realized that he couldn't shake The Boss, so he stopped trying.

NPR: The Gaslight Anthem: Revisiting Sounds Of '59

But after years as a slave and without any document to prove his identity to Georgian police, he stopped trying to escape.

BBC: Slave of the Caucasus

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

ECONOMIST: Richard Smalley