Only after many setbacks was success achieved.

几经周折才告成功。

《新英汉大辞典》

Process setbacks, errors, and your performance in general only at times when you have planned to.

过程挫折、错误、以及你的总体表现只是在你计划的时候出现。

youdao

Setbacks contain not only challenges, but opportunities as well.

挫折中不仅包含着挑战，同时也蕴含着机遇。

youdao

We are in for a long boom, with only occasional setbacks and corrections.

FORBES: The Economy's Trillion-Dollar Question

Park on Monday acknowledged the setbacks but said they should only make her administration more determined.

NPR: South Korean Prez Stumbles In First Month On Job

Prior to the last four decades, deficits only occurred in extreme situations of war or severe economic setbacks, such as the Great Depression.

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