optimism /ˈɑːptəˌmɪzəm/ noun Learner's definition of OPTIMISM
[noncount]
: a feeling or belief that good things will happen in the future : a feeling or belief that what you hope for will happen乐观;乐观主义 -
Both of them expressed optimism about the future of the town.他们两人对小镇的未来都表示乐观。
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The early sales reports are cause/reason/grounds for optimism.初期的销售报告让人们有理由持乐观态度。
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Most of us reacted to the news with cautious/guarded optimism. [=a feeling that something good may happen but will not definitely happen]我们大多数人对这条新闻都持谨慎乐观的态度。
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There is growing optimism that the problem can be corrected.人们的态度日益乐观,认为这个问题可以改正。
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He maintains a sense of optimism, despite all that has happened.尽管发生了这一切,他仍保持着乐观的态度。
— opposite pessimism