adj.不切实际的，堂吉诃德式的，异想天开的，想入非非的

The quixotic quest for world peace led him to travel the globe, meeting with leaders and engaging in peaceful negotiations.
他那理想化的追求世界和平使他周游世界，与各国领导人会面并参与和平谈判。
His quixotic attempt to climb the highest mountain without proper training ended in disaster.
他没有接受训练就尝试攀登最高峰，这种异想天开的行为最终导致了灾难。
Her quixotic nature often led her to take on seemingly impossible challenges with unwavering determination.
她那充满理想主义的性格常常使她毫不犹豫地接受看似不可能的挑战。
The quixotic artist painted fantastical landscapes that captured the imagination of viewers.
这位异想天开的艺术家画出了令人着迷的奇幻风景画。
His quixotic optimism always managed to lift the mood in any gloomy situation.
他的理想化乐观总能在任何阴郁的氛围中带来活力。
She started a quixotic campaign to raise funds for a charity that nobody else seemed interested in.
她发起了一场异想天开的筹款活动，为一个无人关注的慈善机构募集资金。
The quixotic CEO decided to launch a new product line despite the company's financial struggles.
尽管公司经济困难，这位理想主义的CEO仍决定推出新产品线。
In his quixotic journey, he encountered numerous setbacks but never lost hope.
在他的理想化旅程中，他遭遇了许多挫折，但始终保持着希望。
The quixotic writer weaved a tale so captivating that readers couldn't put it down.
这位异想天开的作家编织的故事如此吸引人，读者爱不释手。
The quixotic professor spent countless hours researching a topic that few believed would yield significant results.
这位理想化的教授花了大量时间研究一个鲜有人认为会有重大发现的课题。