Unannounced

(adj.) without warning or announcement; 'they arrived unannounced'; 'a totally unheralded telegram that his daughter...died last night'- M.A.D.Howe .

手打:普里西拉

• When there I, unannounced, walked up into his dressing-room. 哈里特·威尔逊. 哈里特·威尔逊回忆录.
• Suddenly, unannounced, Lord Raymond entered my apartment. 玛丽·雪莱. 最后一个人.
• At this moment a hasty foot was heard on the staircase, and Georgiana Podsnap broke into the room, unannounced and in tears. 查尔斯·狄更斯. 我们共同的朋友.

手打:玛丽安