3 sentences for 幻想 (huàn​xiǎng — fantasize)

1. 他总是幻想天上掉馅饼。

   tā zǒng​shì huàn​xiǎng tiān​shàng diào xiàn​bǐng.

   He is always dreaming of a windfall from the sky.

   Source: Dong Chinese Dictionary

2. 不要总是幻想一步登天，我们要学会脚踏实地。

   bù yào zǒng​shì huàn​xiǎng yī​bù​dēng​tiān, wǒ​men yào xué​huì jiǎo​tà​shí​dì.

   Don't always dream of instant success; we must learn to be down-to-earth.

   Source: Dong Chinese Dictionary

3. 他经常幻想自己能像鸟儿一样在天空中飞翔。

   tā jīng​cháng huàn​xiǎng zì​jǐ néng xiàng niǎo​r yī​yàng zài tiān​kōng zhōng fēi​xiáng.

   He often fantasizes about being able to fly in the sky like a bird.

   Source: Dong Chinese Dictionary