Rénmen juéde tā shì gè kōngxiǎngjiā, dàn tā de xǔduō yùyán hòulái dōu chéng le xiànshí.
People thought he was an impractical dreamer, but many of his predictions later came true.
Tips
usage
空想家 has a mildly negative connotation, suggesting someone whose ideas are unrealistic or disconnected from reality. It differs from 梦想家 (dreamer), which can be positive, and 思想家 (thinker), which is neutral or positive.
