optimism

柯林斯词典

1. N-UNCOUNT Optimism is the feeling of being hopeful about the future or about the success of something in particular. 樂觀主義
The Indian prime minister has expressed optimism about India's future relations with the U.S. 印度縂理表達了對未來印美關系的樂觀態度。

In spite of the scale of the famine , the relief workers struggled on with dauntless optimism and commitment .
Her optimism seemed to infect all those around her.
The prevailing mood is one of optimism.
The prime minister's speech was intended to purvey a message of optimism.
International support has given rise to a new optimism in the company .