We are all surprised at their rejecting to our invitation.
=We are all surprised at their rejection to our invitation.
I was surprised at seeing him there.
我對在那兒見到他感到很驚奇.He blundered his surprise at her winning the prize.
他不慎說出對她得獎感到驚奇.
We are all surprised at their rejecting to our invitation.
=We are all surprised at their rejection to our invitation.
I was surprised at seeing him there.
我對在那兒見到他感到很驚奇.He blundered his surprise at her winning the prize.
他不慎說出對她得獎感到驚奇.