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to feel ashamed
自分の無知を羞じて猛勉強を始めた。
Ashamed of my own ignorance, I began studying intensely.
過去の過ちを羞じる気持ちが彼を変えた。
The feeling of shame over past mistakes changed him.
礼儀を知らない自分を羞じて作法を学び直した。
Ashamed of my lack of manners, I relearned etiquette.