مرغ همسایه غاز است

مرغ همسایه غاز است 

morγ-e hamsāye γāz ast

chicken-EZF neighbor goose is

The neighbor's chicken is a goose.
“The grass is always greener on the other side of the fence.”

chicken – morγ – مرغ

neighbor – hamsāye – همسایه

goose – γāz – غاز

to be– budan – بودن

Ezafe is the way Persian shows possession (among other things). Since it isn't written, it can be tricky to find in writing (for beginners).