When she saw her ex-boyfriend with someone new, the green-eyed monster reared its ugly head.

Quand elle a vu son ex-petit ami avec quelqu’un de nouveau, le monstre aux yeux verts a montré son vilain visage.

He tried to hide the green-eyed monster, but his anger was obvious.

Il a essayé de cacher le monstre aux yeux verts, mais sa colère était évidente.