n.
(令某人惊喜的)惊喜聚会

Surprise \Sur*prise"\, n. [F. surprise, fr. surprendre, surpris;
sur over + prendre to take, L. prehendere. See {Sur-}, and
{Prehensile}.]
1. The act of coming upon, or taking, unawares; the act of
seizing unexpectedly; surprisal; as, the fort was taken by
surprise.

2. The state of being surprised, or taken unawares, by some
act or event which could not reasonably be foreseen;
emotion excited by what is sudden and strange; a suddenly
excited feeling of wonder or astonishment.

Pure surprise and fear
Made me to quit the house. --Shak.

3. Anything that causes such a state or emotion.

4. A dish covered with a crust of raised paste, but with no
other contents. [Obs.] --King.

{Surprise party}, a party of persons who assemble by mutual
agreement, and without invitation, at the house of a
common friend. [U.S.] --Bartlett.

Syn: Wonder; astonishment; amazement.