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
Speaking of mother and of father
谈到孩子的爸， 孩子的妈，
The post office is in the middle of the block, You can't miss it.
那邮局就在街区的中间，很好找。
I think we'll able to make that.
我想没问题。