optimism

🇬🇧/ˈɒptɪmɪzəm/ 🇺🇸/ˈɑːptɪmɪzəm/📚 5461 2六级雅思
Optimism is the feeling of being hopeful about the future or about the success of something in particular. 乐观主义

noun [抽象名词]乐观;乐观主义

The Indian prime minister has expressed optimism about India's future relations with the U.S.
印度总理表达了对未来印美关系的乐观态度。

optim(最好) + ism → 认为自己是最好的 → 乐观, 乐观主义
单词造句:
网友用“Optimism”造句精选
He radiated self-confidence and optimism. 他显得自信乐观。
There are very real grounds for optimism. 的确有理由可以乐观。