adj.突然的，意外的,无理的，唐突的,不连贯的,陡峭的
Cross was a little taken aback by her abrupt manner.
她鲁莽的态度让克罗斯感到有点吃惊。
Then in a tone of abrupt harshness, he added, "Open these trunks!".
然后他又突然厉声说道，“把这些大箱子打开！”
Mullins knocked me off-balance with his abrupt change of subject.
马林斯突然改变话题，这让我措手不及。