1. Unexpected
That is rather unexpected.
I will be able to see you tomorrow unless something unexpected turns up.
When you have things you don't understand written on you, what will you do, if you get unexpected results?
To believe that an unexpected big fortune will come your way is to build a castle in Spain.
We had to dip into our savings in order to pay the unexpected medical expenses.
Insurance makes us remember that the world we live in isn't completely safe; we might fall ill, face danger or encounter the unexpected.
When there were unexpected expenses in the household of me and my wife, we could not avoid pawning our belongings.
I thought I had him in a corner, but then he pulled an unexpected move and completely turned the tables on me.
You don't need to bring up "A Winter Sonata" to show that South Korean culture is having an unexpected boom in Japan.
Our grandparents paid us an unexpected visit last weekend, and it was great to see them.
Jean had an unexpected call from her Australian cousin in the middle of the night.
We got an unexpected present from him. I guess he felt a little obligated after what we did for him.
Since unexpected incidents occurred one after another, the exhibition was called off.
The unexpected windfall has put my brother and his wife on easy street.
This unexpected malfunctioning of the system was caused by improper wiring.