unannounced

英 [ˌʌnə'naʊnst] 美 [ˌʌnə'naʊnst]

• adj. 未经宣布的；未通知的；未打招呼的

英英释义

Adjective:

1. without warning or announcement;

   "they arrived unannounced"
   "a totally unheralded telegram that his daughter...died last night"
   

例句

用作形容词 (adj.)

1. You're working on an unannounced MMO.
   你们正在开发一款未公布的网络游戏。
2. The manger dropped in unannounced at the office several times a week.
   经理每星期都不经事先通知到办公室来几次。
3. She just turned up unannounced on my doorstep.
   她未打招呼就来到我家门口了。

经典引文

• I had given my solemn oath never again to show up unannounced.

  出自： M. Flanagan

近反义词

【近义词】

• unexpected 想不到的
• impromptu 即席的
• surprise 惊奇
• spontaneous 自发的，自然的，本能的...
• unpredicted 不可预期的
• unheralded 未预先通知的...