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quiet; calm; leisurely; composed
easily; comfortably; without difficulty
distant; far-off; boundless; endless; eternal
川が悠悠と流れる風景に心が安らいだ。
The sight of the river flowing leisurely put my mind at ease.
彼は悠悠と構えて何事にも慌てない。
He stays composed and never panics about anything.
悠悠自適の生活に憧れている。
I long for a leisurely and carefree life.