be jealous

I am jealous.

私は嫉妬します

I am jealous of my older sister.

私は姉に嫉妬します

I am jealous of my older sister at home.

私は家で姉に嫉妬します

I am jealous of my older sister at home these days.

私は最近家で姉に嫉妬します

I am jealous of my older sister at home these days together with my younger sister.

私は妹と一緒に最近家で姉に嫉妬します