unwonted
adj. 不习惯的;不寻常的;少有的
例句
Mrs. Darling had put the children to bed in unwonted silence and lit their night-lights.
达琳太太在少有的沉默中让孩子们上床睡觉,并点亮了他们的夜灯。
He spoke with unwonted enthusiasm.
他讲话显得出人意料地热心。
《牛津词典》
That summer the roses flowered in unwonted beauty.
那年夏天玫瑰花开得异常美丽。