unexpectedness 

英汉解释

n. 出乎意外，突然

同义词

n. surprisingness

反义词

n.   expectedness

参考例句

1. The sheer unexpectedness of it made my hair stir under my cap .
这猝不及防的惊变，使我帽子下面的头发都竖起来。
2. Another source of Emerson's strength is his extraordinary compactness of style and his range and unexpectedness of illustration.
爱默生的另一源泉是他将体裁、他的学术领域及无懈可击的阐述紧密结合在一起。
3. Another source of Emerson, s strength is his extraordinary compactness of style and his range and unexpectedness of illustration.
爱默生哲学生命力的另一来源就是他紧凑非凡的风格和表述的广度和出人意表。

英英解释

n.
  1. extraordinariness by virtue of being unexpected

网络释义

unexpectedness
意外之事; 意外;