她忍不住嫉妒朋友的新车。

She couldn't help feeling ___jealous of her friend's new car.

他暗自嫉妒同事最近的升职。

He was secretly ___jealous of his colleague's recent promotion.

看到邻居漂亮的花园时，我感到一阵嫉妒。

I felt a pang of ___jealous when I saw my neighbour's beautiful garden.