Traduction de «were waiting for serious counter-offers and were sadly disappointed » (Anglais → Français) :

The EU put a good deal on the table; we were waiting for serious counter-offers and were sadly disappointed by what came back.
Le marché proposé par l’UE était plus que correct; en contrepartie, nous attendions des offres sérieuses, malheureusement nous avons dû déchanter.