unexpectedly

例句：

1. 1.The news came as a complete surprise to her.
   这个消息对她来说完全出乎意料。
2. 2. He arrived unexpectedly at the airport.
   他意外地到达了机场。
3. 3. She was surprised by his sudden departure.
   她对他的突然离开感到惊讶。