a·brupt/ə`brʌpt; əˈbrʌpt/ adj 1 sudden and unexpected 突然的，出其不意的: an abrupt change in the attitudes of voters 选民们态度的突然改变 2 not polite or friendly, especially because you do not want to waste time 无礼的; 不友好的〔尤指不想浪费时间〕: She was abrupt on the phone the first time we talked. 我们首次通电话她就不太礼貌。