**Here are some examples of using the word «jealous» in English:**
1. She was jealous of her friend's success and worked harder to achieve her goals.
2. He became jealous when he saw his partner talking to another man.
3. The younger brother was jealous of his older sister because she got all the attention.
4. She felt jealous when she saw her colleague getting a promotion.
5. He was jealous of the attention his ex-girlfriend got from other men.
6. The child became jealous when his sibling got more gifts than him.
7. She was jealous of her co-worker's vacation plans and started to resent her.
8. He felt jealous when he heard his friend got into a prestigious university.
9. The friend became jealous of the new friend who seemed to be getting all the attention.
10. She was jealous of her neighbor's beautiful garden and decided to plant her own.