The titular character (and the novel) of Cervantes' Don Quixote; a figure known for idealistic, chivalrous but impractical behavior.
昨日、授業で『ドン・キホーテ』の第一章を読んだ。
Yesterday in class we read the first chapter of Don Quixote.
彼は風車を敵だと思い込み、ドンキホーテのように戦った。
He mistook windmills for enemies and fought like Don Quixote.
この作品の主人公はドン・キホーテで、理想に生きる人物だ。
The protagonist of this work is Don Quixote, a person who lives by ideals.
The Don Quijote discount store chain in Japan (store name), known for selling a wide variety of goods cheaply.
昨夜、ドン・キホーテでお菓子を山ほど買った。
Last night I bought a ton of snacks at Don Quijote.
近所に24時間営業のドンキホーテができて便利になった。
A 24-hour Don Quijote opened near my house, which made things convenient.
旅行前に、ドン・キホーテでトラベル用品を揃えた。
I got travel supplies at Don Quijote before the trip.