Do you have any unfulfilled ambitions?

你有什么未实现的抱负吗？

...angry at unfulfilled promises of jobs and decent housing.

因工作和良好住房条件的承诺没有兑现而感到气愤

The election had raised hopes that remain unfulfilled.

选举唤起了未偿的心愿。

You must let go of the idea that to be single is to be unhappy and unfulfilled.

你要摈弃单身就会不快乐、就会有失败感这一想法。

He admitted that he still feels unfulfilled as a footballer.

他承认对自己作为足球运动员的表现还是不满意。