sudden and unexpected, often in an unpleasant way 突然的；意外的 an abrupt change/halt/departure 突然改變；驟然停頓；突然離去 The accident brought his career to an abrupt end. 那起事故使他的職業生涯突然結束了。
Extra ExamplesHis abrupt departure made me think I had done something to upset him. 他突然離去，讓我覺得自己惹他生氣了。 The abrupt change of subject disconcerted her. 話題突然改變令她摸不着頭腦。
speaking or acting in a way that seems rude and unfriendly; not taking time to say more than is necessary （言語、行爲）粗魯的，莽撞的，唐突的；生硬的 an abrupt manner 唐突的舉止 He indicated Isabel with an abrupt movement of his head. 他晃了一下腦袋，頭指向伊莎貝爾。 - abrupt with somebody
She was very abrupt with me in our meeting. 我們會面時，她跟我說話非常生硬。
Word Originlate 16th cent.: from Latin abruptus ‘broken off, steep’, past participle of abrumpere, from ab- ‘away, from’ + rumpere ‘break’.