Hai cercato la traduzione di principled da Inglese a Giapponese

but even we were very principled robbers!
とはいえ 我々の行為は 明らかに犯罪だった！

you're in no position to be so principled.
君は極めて主義を貫ける 立ち位置には居ない

you know, she actually reminds me of you, how you used to be-- passionate, principled.
彼女は実は私に君を思い出させる 前はどんな方法だった - 熱心な、信念を持った

someone with such principled buying habits would favor a sport known for its harsh treatment of animals?
動物実験抜きの化粧品を買う習慣のある人が 動物に残酷な扱いをしてると言われるスポーツを 見るかな？