It's just a temporary setback. Don't be discouraged.

这不过是尺蠖之屈，不要泄气。

《新英汉大辞典》

The breakdown in talks represents a temporary setback in the peace process.

谈判破裂意味着和平进程暂时受阻。

《牛津词典》

Don't beat yourself up and quit if you sometimes revert to old habits - treat it as a temporary setback.

若你重拾旧习，不要责怪自己并放弃——把这当做一个暂时的小挫折就好。

youdao

"Things happen,mistakes happen. If they're doing a recall, they're open about it with their customers, so I think it's just going to be a temporary setback.

VOA: standard.2010.01.28

This may be a temporary setback for a company whose top line has exhibited strong growth.

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But also argues that the unprecedented exposure could create at least a temporary setback for a group.

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However, the Bank thinks this will prove a temporary setback and is forecasting a revival in consumption, although it will grow below trend.

ECONOMIST: The Bank dampens hopes of interest-rate cuts