复数： hopefuls

Last year marked the end of a hopeful era .

去年标志着一个充满希望年代的结束。

There are hopeful signs , including birmingham 's improving schools .

包括伯明翰说教的学校在内，都有希望的迹象。

But I could not share her hopeful view of the sitution .

然而，我不敢赞同她对我的处境所持的乐观态度。

Yet some had still hoped that rio + 20 would be better : greens are necessarily a hopeful lot .

不过仍有人希望里约+20峰会能取得一些进展：环保人士必定有望成为中流砥柱。

Another time , I saw a hopeful newcomer come to the set for some preliminary casting photos .

另一次，我看到一个很有前途的新人来场地拍摄一些演出前的照片。