随着经济衰退，制造业的前景显得尤其黯淡无望。

With the economy in decline, the outlook for the manufacturing sector appears particularly ___bleak.

面对气候变化和政治动荡，许多人认为下一代的前景无疑是惨淡的。

Faced with climate change and political instability, many describe the prospects for the next generation as decidedly ___bleak.

尽管团队尽了最大努力，医生的预后仍然不容乐观。

Despite the team's best efforts, the doctor's prognosis remained ___bleak.