An abrupt change or action is very sudden, often in a way which is unpleasant.
例句
Rosie's idyllic world came to an abrupt end when her parents' marriage broke up...父母婚姻的破裂使得羅茜田園詩般美好的世界陡然畫上了句號。The recession brought an abrupt halt to this happiness...經濟衰退讓這幸福戛然而止。
ADJ-GRADED
（言語）粗魯的，唐突的，魯莽的
Someone who is abrupt speaks in a rather rude, unfriendly way.
例句
He was abrupt to the point of rudeness...他的唐突已到了無禮的地步。Cross was a little taken aback by her abrupt manner.她魯莽的態度讓克羅斯感到有點吃驚。
英漢詞典釋義
n.
粗魯,莽撞
He hid his feelings behind a gruff abruptness.他把自己的感情隱藏在生硬魯莽之中。
英英詞典釋義
Noun
1. an abrupt discourteous manner
2. the property possessed by a slope that is very steep
3. the quality of happening with headlong haste or without warning