1) She criticized the winning team, but it just sounded like sour grapes because her team lost.

2) His negative attitude toward the promotion was dismissed as sour grapes.

3) Don't listen to her complaints about the new policy; it's just sour grapes since she wasn't involved in the decision-making process.

4) His bitter resignation speech was full of sour grapes.

5) The candidate's accusations of unfair treatment were seen as nothing more than sour grapes.

6) I could tell by the tone of her voice that she was indulging in sour grapes.

7) Instead of congratulating her friend on the achievement, she chose to express sour grapes.

8) His criticism of the award was dismissed as sour grapes because he didn't win.

9) After losing the contract, he couldn't stop himself from spouting sour grapes to anyone who would listen.

10) Her review of the movie was clearly influenced by sour grapes towards the lead actor.