He was displeased with his neighbor.
- Il était mécontent de son voisin.
We think a disgruntled employee was the one who planted the bomb.
- Nous pensons que c'était un employé mécontent qui a placé la bombe.
The public at large are dissatisfied with the present government.
- La population est mécontente du gouvernement actuel.
Are you satisfied or dissatisfied?
- Es-tu satisfait ou mécontent ?