Now 29, Hargreaves is still unsure of how his knees will stand up to competitive football but remains optimistic that he can play again at the highest level.

现在29岁的哈格里夫斯还不确定自己的膝盖能否参加正式比赛，但对于重返最高水平表示乐观。

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The recession has certainly come with more problems than Andrea anticipated, but she remains unfailingly optimistic.

经济衰退带来的问题当然比安德里亚预期的要多，但她始终保持乐观。

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But Sir Tim remains optimistic.

但迪姆阁下保持着他的乐观态度。

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Meanwhile on a trip to Chile, British Prime Minister Gordon Brown said it is easy to be cynical about the summit, but he remains optimistic a meaningful outcome can and must be achieved.

VOA: standard.2009.03.29

He admits that a lot needs to be done but remains optimistic about the future.

CNN: Egypt hungry for 'food revolution'

Zidane himself confirmed he will miss France's first game, but remains optimistic that he could be fit for the crucial second match against Uruguay.

BBC: Zidane in fitness race

Ms Payne's father John said dealing with the unanswered question of what happened gets harder every year, but he remains optimistic.

BBC: Nicola Payne