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
adv.
突然地,意外地
He closed his speech abruptly.他突然終止了演說。The bird’s song ceased abruptly.鳥兒的歌聲嘎然而止。I was abruptly notified that a half-hour speech was expected of me.我突然被通知要講半個小時的話。When he could stand it no longer, he rose abruptly to his feet.他再也忍不住了,忽然站起身來。It had never occurred to her that a new possibility would crop up abruptly.她萬萬沒有想到會突然出現一種新的可能性。The advantage abruptly turned against them.有利的條件突然變得對他們不利起來。His contract was abruptly terminated.他的合同意外地終止了。
(言談舉止)唐突地,冒失地
He gestured abruptly for Virginia to get in the car.他粗魯地示意弗吉尼亞上車。
<地質>陡起地
The ground falls away abruptly to the right.右邊的地勢陡降。The road ends abruptly in a drop to the sea.道路的盡頭是一個通向大海的陡坡。