"the unexpectedness of the warm welcome"
同义词： surprisingness
以上来源于: WordNet
all at once , abruptness
词根： unexpected
unexpected 意外的，想不到的
unexpectedly 出乎意料地，意外地
Note this appears to conflict with unexpectedness above.
注意：这似乎与上述冲突始料未及。
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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。
The features are as followed: unexpectedness, fluidity, complexity, severity of the result.
其特征有：突发性、流动性、复杂性、后果严重性。
"The unexpectedness and the inability of people to adjust quickly caused problems, " says Huntington.
FORBES: Magazine Article
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