Unannounced
a. 未经宣布的
✅ 同义词
📖 牛津释义
unannounced
adj
without prior warning or notification; unexpected 未事先宣布的; 未通知的; 突如其来的
make unannounced safety checks on equipment 对设备进行突然的安全检查
He arrived unannounced. 他未事先通知而来到.
🗣️ 情景例句
My wife and I are celebrating our fifth anniversary.
我太太和我要庆祝一下我们的结婚五周年。
That's an exaggeration!
太夸张了吧！
As a matter of fact, he was pretending to be ill.
实际上，他是在装病。