tā / yǐ wéi / zì jǐ / zhòng le / tóu jiǎng / jié guǒ / bù guò / shì / nán kē yī mèng

他以为自己中了头奖，结果不过是南柯一梦。

He thought he had won the jackpot, but it turned out to be nothing but a dream.