Subject + 嫉妒 + Object
The verb 嫉妒 (jídù) means "to be jealous of" or "to envy." It can be used directly before a noun as a modifier with 的, as in 嫉妒的同学 (jealous classmates). It can also take a direct object, as in 嫉妒她 (to be jealous of her).
她成绩好,有些同学会嫉妒她。
Tā chéngjì hǎo, yǒuxiē tóngxué huì jídù tā.
She gets good grades, and some classmates are jealous of her.
不要嫉妒别人,做好自己就行了。
Bú yào jídù biérén, zuò hǎo zìjǐ jiù xíng le.
Don't be jealous of others; just do your best.
他嫉妒他哥哥总是受到表扬。
Tā jídù tā gēge zǒngshì shòudào biǎoyáng.
He is jealous that his older brother always gets praised.