Read Edit View history 乐观主义 lèguānzhǔyì optimism Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 乐观主义/ 樂觀主義 lèguānzhǔyì optimism noun 他的成功很大程度上归功于他那坚定的乐观主义精神。 Edit Delete References Add reference No references for this word.