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复数形式
optimisms
1
乐观
a temporary or situation-based sense of confidence that a specific outcome will be positive
- She faced the final exam with optimism, confident that she had studied enough.
她以乐观的态度面对期末考试，自信已经学得足够。
- Despite the storm, there was optimism that the event would still take place.
尽管有风暴，人们仍乐观地认为活动仍会举行。
- Investors showed optimism after the company announced its expansion plans.
在公司宣布扩张计划后，投资者表现出乐观。
- Even after the injury, he expressed optimism about returning to the game soon.
即使在受伤后，他也对很快重返比赛表示乐观。
- The doctor’s reassurance gave her optimism about her recovery.
医生的保证让她对自己的康复充满了乐观。
反义词：
2
乐观
a general tendency to look on the bright side of things and to expect positive outcomes
- Despite the challenges, her optimism helped her stay focused and driven toward her goals.
尽管面临挑战，她的乐观帮助她保持专注并朝着目标努力。
- His natural optimism made him believe that everything would work out for the best, no matter how difficult the situation.
他天生的乐观主义让他相信，无论情况多么困难，一切都会好起来的。
- The optimism of the community shone through as they rebuilt their town after the disaster.
社区在灾难后重建城镇时，他们的乐观精神闪耀着光芒。
- His optimism makes him trust that people always have good intentions.
他的乐观使他相信人们总是有好意。
- His lifelong optimism helps him embrace change with confidence.
他终生的乐观帮助他自信地拥抱变化。
反义词：
3
乐观主义, 对宇宙根本善性的信念
a philosophical belief that goodness prevails over evil or that the universe is fundamentally positive
- Many philosophers have debated whether optimism about the universe is justified.
许多哲学家争论过关于宇宙的乐观主义是否合理。
- Her optimism in the fundamental goodness of people remained unshaken despite hardships.
尽管经历了艰难困苦，她对人性本善的乐观信念依然坚定不移。
- Religious teachings often promote optimism, emphasizing that good will always triumph.
宗教教义常常提倡乐观主义，强调善终将战胜恶。
- Enlightenment thinkers embraced optimism, believing in the continuous improvement of society.
启蒙思想家们接受了乐观主义，相信社会的持续改进。
- Many utopian theories are based on optimism that humanity will create a perfect society.
许多乌托邦理论基于人类将创造完美社会的乐观主义。