他的妄想让他付出了很多代价。
tāde wàngxiǎng ràng tā fùchū le hěnduō dàijià 。
His vain attempts have cost him a lot.
她的妄想并不符合现实。
tāde wàngxiǎng bìngbù fúhé xiànshí 。
Her fantasies do not align with reality.
为了实现妄想，他不断努力。
wèile shíxiàn wàngxiǎng ， tā bùduàn nǔlì 。
In order to realize his vain attempts, he keeps working hard.