The danger, however, was at present so unperceived, that they did not by any means rank as misfortunes with her. 简·奥斯汀.爱玛.
As he turned to receive Rebecca's answer, he observed, that during his chattering with Gurth, she had left the apartment unperceived. 沃尔特·司各特.艾凡赫.
I approached her unperceived, and placed the portrait securely in one of the folds of her dress. 玛丽·雪莱.弗兰肯斯坦.
The exciting fact was her having lived in an atmosphere so thick with drama that her own tendency to provoke it had apparently passed unperceived. 伊迪丝·华顿.纯真年代.
His pursuers soon lost sight of him, for he had, unperceived, thrown himself over a garden wall. 本杰明·富兰克林.富兰克林自传.