The unexpectedness of my father's death meant that his affairs were not entirely in order.

我父亲的意外过世意味着他的个人事情不是完全有序。

Note this appears to conflict with unexpectedness above.

注意：这似乎与上述冲突始料未及。

The unexpectedness of God's methods can often bring delightful surprises.

神用意想不到的方法来带领你，往往给你带来意外的惊喜。

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。

Unexpectedness: If an event is out of the ordinary it will have a greater effect than something which is an everyday occurrence.

始料未及：如果一个事件是一起普通它将比事，是每天都发生较大的影响。