英语词源
- unannounced (adj.)
- 1775, from un- (1) "not" + past participle of announce (v.).
权威例句
- 1. He had just arrived unannounced from South America.
- 他刚刚从南美来到这里，事先没有打招呼。
- 2. She just turned up unannounced on my doorstep.
- 她未打招呼就来到我家门口了。
- 3. Having arrived unannounced for supper, we had to take potluck.
- 由于没有提前通知我们要来吃晚饭, 我们只能吃些家常便饭.
- 4. My first night in Saigon I paid an unannounced visit to my father's cousins.
- 到西贡的第一个晚上，我给父亲的堂兄堂弟们来了个突然袭击。
- 5. The principal keeps students and teachers on their toes with unannounced visits to the classroom.
- 校长经常事先不通知地去听课,使得学生、教师都不敢怠慢.