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

Quando ela viu o ex-namorado com alguém novo, o monstro de olhos verdes mostrou sua feia cabeça.

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

Ele tentou esconder o monstro de olhos verdes, mas sua raiva era óbvia.