n.[U]

1. 突然；意外
   The abruptness of her appearance at the meeting surprised us all.

   她在會議上的突然出現使我們都吃了一驚。

2. 魯莽
   Their abruptness and improbability made us sick.

   他們的魯莽和不講道德令我們噁心。

3. 陡峭；險峻
   We were struck by the boldness and abruptness of the scenery.

   景色的險峻與陡峭給我們留下了深刻印象。

4. 不連貫
   She spoke with the abruptness of a person whose feelings had gotten the better of her.

   她不能自己地、不連貫地講著。