汉语翻译：
a. 突然的, 唐突的, 陡峭的, 不连贯的词型变化：
名词:abruptness副词:abruptly词意辨析：
steep, abrupt, sheer这些形容词均含“陡峭的，险峻的”之意。
steep: 指坡度向上逐渐增加的斜陡坡，强调险峻，暗示难于攀登。
abrupt: 着重指地形突然起伏，形成尖角状。
sheer: 指自始至终近于垂直的陡峭，不仅仅很难爬上去，甚至于不可能攀登。英语解释：
形容词 abrupt:

marked by sudden changes in subject and sharp transitions同义词：disconnected

exceedingly sudden and unexpected

extremely steep同义词：precipitous, sharp

surprisingly and unceremoniously brusque in manner

It's very unlike him to be so abrupt.他这麽粗鲁可不像他平时的样子。

An abrupt rolling or pitching.突然的摇晃或坠落

A heavy or abrupt fall or collision.坠落、碰撞重重的或突然的下落或碰撞

The meeting came to an abrupt end.会议突然结束了。

That young man has an abrupt manner.那个年轻人态度很无礼。