optimistic 是由希腊语 "optimos" 组成,意思是最好的。它指的是对未来充满希望和信心的态度。
cheerful 是由中世纪英语 "cheren" 和 "ful" 构成,意思是高兴的。它指的是一种具有积极性和阳光性的态度。
例句:
She is always so optimistic, even when things don't go her way. (她总是很乐观,即使事情不顺利。)
He was in a cheerful mood today, whistling as he walked down the street. (他今天心情很好,走在街上哼着小调。)

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最佳回答 2025-02-08