The United Kingdom was therefore dismayed when informal consultations revealed that one delegation was no longer prepared to be bound by a commitment solemnly entered into five years ago, making the achievement of consensus on this particular option impossible.
因此，当非正式磋商表明，一个代表团已不准备再受5年前庄严承诺的约束，从而造成不可能在这个选择方案上取得一致时，联合王国深感失望。