Thanks to his efforts, it was more successful than we had expected

I regret that I will be unable to meet you on February 27 owing to an unexpected matter

We should provide for unexpected events

I little expected to see you here

The economist anticipated a prolonged depression

The talented young chess player is very bold. He deliberately lays himself open to attack, makes himself vulnerable and then checkmates his opponent when least expected

He expected the boy to be the staff of his old age

We got three times as many people as we expected

A little bit of luck sometimes leads to an unexpected success

I never imagined we'd be talking about this topic today

The economist instinctively anticipated the current depression