abruptness
/əˈbrʌptnəs/ 75the quality of being sudden, unexpected, and sometimes unpleasant: With dramatic abruptness, a decision was made to close the school for good.
noun [专属名词]突然；唐突；粗鲁无理；急缓度
Fortunes change with dizzy abruptness.
命运瞬息万变，令人目眩。
单词造句: