unexpected的`用法例句：
Support came from an unexpected direction.
一个出人意料的来源提供了帮助。
The announcement was not entirely unexpected.
这个通告并非完全出乎意料。
The unexpected death of their son shattered them.
儿子的意外死亡给他们带来沉重的打击。
John Diamond is stumped by an unexpected question.
约翰·戴蒙德被一个意想不到的问题难住了。
Such beauty was unexpected in the midst of the city.
市中心有这样的美景真是出乎意料。
