受挫 (shòu cuò): ถูกขัดขวาง

He failed several interviews in a row. Although he was quite frustrated, he didn't give up and continued to send out resumes.

The startup suffered a setback early on when its funding chain broke. He had to readjust his plans and look for new investors.

After she was frustrated in the math competition, her teacher encouraged her, saying that failure is the mother of success; as long as she keeps practicing, she will surely do well next time.

He was upset after losing in the competition to an opponent weaker than himself. He felt terrible and decided to double his training.