What does jealous mean???????

妒忌

a.
1. 妒忌的[(+of)]
He was jealous of his friend's reputation.
他妒忌朋友的聲譽。
Why is he so jealous?
他為何這麼會妒忌?
2. 吃醋的
If other men spoke to her intimately he was immediately jealous.
一見到別的男人跟她親熱地交談,他便會醋勁大發。
3. 小心守護的,唯恐失去的[(+of)]
We are jealous of our hard-won freedom.
我們珍惜得來不易的自由。

Jealous means "妒忌"。

jealous是"妒忌"的意思。