abruptness
/əˈbrʌptnəs/
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36074
the 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。