optimist
n. 乐观主义者,乐天派
复数 optimists
例句
She's an incurable optimist.
她是个不可救药的乐天派。
《牛津词典》
Paul, ever the optimist, agreed to try again.
保罗这个永远的乐观主义者答应再试一次。
He took action despite his own pain—a typical response of an optimist.
他不顾自己的痛苦采取了行动——这是一个乐观主义者的典型反应。