adv.未料到地,意外地;竟;居然;骤然;
例句:
She died quite unexpectedly.
她的去世相当出人意料.
The volcano unexpectedly blew up early in the morning.
火山一早突然爆发了.
I had just put the dinner on when Jim walked in unexpectedly.
我刚把晚饭摆上桌,吉姆突然走进来.