s. suspicious or unduly suspicious or fearful of being displaced by a rival
a. 嫉妒的, 羡慕的, 留心的, 戒备的
1. She felt jealous when she saw her friend with a new car.
她看到朋友有一辆新车时感到嫉妒。
2. It's normal to feel jealous sometimes, but it's important to talk about your feelings.
有时感到嫉妒是正常的，但重要的是要谈论你的感受。
3. He was jealous of his brother’s success in school.
他对兄弟在学校的成功感到嫉妒。