挫折 (cuò zhé): ความล้มเหลว

Little Li participated in his first marathon. At the 30-kilometer mark, he injured his knee and had to withdraw; this setback made him sad for several days.

After her business failed, she was not defeated by the setback; instead, she carefully summed up her experience and started a new company two years later.

After many experimental setbacks, the research team finally found the correct data and brought the new drug to market.

Even good friends can have conflicts due to misunderstandings, but as long as they communicate honestly, these setbacks can actually make their friendship stronger.