abrupt

steep, abrupt, sheer

形容词 abrupt:

1. marked by sudden changes in subject and sharp transitions
   同义词：disconnected
2. exceedingly sudden and unexpected
3. extremely steep
   同义词：precipitous, sharp
4. surprisingly and unceremoniously brusque in manner

1. It's very unlike him to be so abrupt.
   他这麽粗鲁可不像他平时的样子。
2. An abrupt rolling or pitching.
   突然的摇晃或坠落
3. A heavy or abrupt fall or collision.
   坠落、碰撞重重的或突然的下落或碰撞
4. The meeting came to an abrupt end.
   会议突然结束了。
5. That young man has an abrupt manner.
   那个年轻人态度很无礼。