be not in the best of moods 心情不好

　　If your head's in a spin because you've had a bad night's sleep, or you're hungover, or maybe you've just got too much to do, the chances are you're not in the best of moods.如果你因为睡不好觉而晕头转向，或者你宿醉了，或者你有太多事情要做，你就会很可能心情不好。

　　have this mindset 拥有这种心态

　　If everything seems like an effort and you have a negative attitude, the last thing you want to be told it to 'be positive!' But having this mindset could have more benefits than you think.如果一切看起来都像是在努力而且你还很消极，那你最不希望别人告诉你"积极一点！"但是拥有这种心态会比你想象的更有好处。

　　is easier said than done 容易做起来难

　　Of course, developing a positive attitude is easier said than done -it doesn't come naturally to everyone.当然，培养积极的态度说起来容易做起来难-不是每个人自然而然都是这样的。

　　be feeling down in the dumps 情绪低落

　　When you're feeling down in the dumps, it is hard to be optimistic.当你情绪低落的时候，很难去乐观地看待问题。

　　optimist /ˈɒptɪmɪst/乐观主义者

　　But a study in the US has found that people who are optimists are more likely to live longer than those who have a more negative approach to life.但是美国的一项研究发现乐观主义者比起那些生活态度消极的人来说活的更久。

　　live to the age of 85 活到85岁

　　It revealed the likelihood of positive people living to the age of 85 or more to be higher.它揭示了生活态度积极的人的可能性就是他们能活到85岁甚至更久。

　　have a more hopeful outlook on life 用更富有希望的人生观去看待生活

　　So, maybe the thought of a longer life might encourage you to have a more hopeful outlook on life.所以，也许想到长寿可能会鼓励你用更富有希望的人生观去看待生活。

　　find it easier to control emotions 觉得更容易去控制情绪

　　The study concluded that optimists may find it easier to control emotions and get less stressed.这项研究得出结论，乐观主义者可能会觉得更容易去控制情绪并且减轻压力。

　　impacts on the immune system 影响免疫系统

　　And as stress impacts on the immune system, it's possible that optimists cope better with infections.当压力影响免疫系统时，乐观主义的人有可能能够更好的面对感染。

　　promote longevity/lɒnˈdʒevəti/and healthy ageing 促进长寿和健康老龄化

　　Our findings speak to the possibility that raising levels of optimism may promote longevity and healthy ageing.我们的发现表明了提高乐观水平，可能可以促进长寿和健康老龄化。

　　pessimist /ˈpesɪmɪst/ 悲观主义者

　　And she advises that pessimists could benefit from doing things like imagining a future where everything turns out well.她建议悲观主义者可以从这些事情中受益像是想象一个一切都会好起来的未来。

　　see the world through rosetinted glasses 乐观看待生活

　　But if you're a 'glass half empty' type of person, could seeing the world through rosetinted glasses work for you?但是如果你是一个喜欢看事物坏的一面的人，那么透过只看到事情好的一面对你有用吗？

　　get a grip on our emotions 掌控自己的情绪

　　Accepting that we all have problems and that we're not all the same helps us to get a grip on our emotions.接受这个观念就是我们每个人都有问题并且我们每个人都不一样这可以帮助我们掌控自己的情绪。

　　help maintain a positive outlook on life 有助于保持积极的人生观

　　The saying goes that 'a healthy body leads a healthy mind' which is probably why other people have recommended doing yoga and meditation as well as staying fit and healthy to help maintain a positive outlook on life. 俗话说'健康的身体引导健康的头脑'这可能就是为什么其他人推荐做瑜伽和冥想以及保持健康有助于保持积极的人生观。