An accidental or unpredictable event.
偶然的事，意想不到的事
undreamed-of wealth, success
意想不到的财富、 成功
This really is a surprise !
这真是意想不到的事！
That was a pleasant surprise.
这是意想不到的好事。
We often meet with many unexpected difficulty.
我们经常遇到一些意想不到的困难。
We have come up against an unexpected problem.
我们碰到了一个意想不到的问题。
The boy was set up by the unexpected praise.
意想不到的表扬使这个孩子感到振奋。
He was thrown into confusion by the unexpected results in the experiment.
意想不到的实验结果使他迷惑不解。
I am terribly sorry, but something unexpected comes up .
很对不起，出了一件意想不到的事。
Something unexpectedly came up and I couldn't make it.
发生了意想不到的事情，我实在不得已。
This isn't so easy, so look out for the snags.
这并不那么容易,当心碰到意想不到的困难。
A change in position could be better than you thought.
交换一下位置能带来意想不到的效果。
an unexpected and amazing event.
意想不到的令人惊异的事件。
I have a surprise for you.
我有一个意想不到的消息跟你讲。
Unexpected results eventuated from this decision.
这项决定产生了意想不到的结果。
Lydia gave a laugh that sounded unexpectedly brittle.
利季娅笑了，笑声意想不到的尖利。
The unexpected news baffled us.
这意想不到的消息把我们给难住了。
The scholar made a dramatic gesture.
代笔先生来了个意想不到的行动。