这位年轻歌手是音乐比赛中最有希望的选手之一。

The young singer is one of the most promising ___hopefuls in the music competition.

数百名渴望成为演员的年轻人参加了这次试镜。

Hundreds of young ___hopefuls attended the audition to become actors.

许多求职者参加了这次招聘会，希望能找到理想的工作。

Many ___hopefuls attended the job fair, hoping to land their dream positions.