1. sour grapes 吃不到葡萄说葡萄酸（等不到就贬低）

I don't think it's a great job, and that's not just sour grapes because I didn't get it.
我认为这份工作不怎么样，我可不是吃不着葡萄说葡萄酸。


2. green-eyed 眼红，嫉妒

When his brother got a new bike, he was green-eyed.
他嫉妒哥哥买了一辆新自行车。


3.jealous 嫉妒的，吃醋的

Anna says she feels jealous every time another woman looks at her boyfriend.
安娜说每次别的女人看她的男朋友她都会吃醋。