Green adj. 没有经验的
I was very green when I started working there.
Be green with envy 非常嫉妒，眼红
When I was a kid, I threw my brother's birthday cake on the floor because I was green with envy that it wasn't my birthday.
Give the green light to
He has finally been given the green light to build five new houses on the land.
Hey. You look a bit green. What’s wrong?
Have green fingers
My grandfather had green fingers. He could grow anything.