unsuspected

adj.未被怀疑的,无嫌疑的

未被怀疑的；未被察觉的；未被发现的

形容词

1、The police made an astonishing discovery - an unsuspected secret room in the basement.
警察做出了惊人的发现——地下室里有一个未被发现的秘密房间。
2、She uncovered an unsuspected talent for singing during the school talent show.
在学校才艺表演中，她展示出了一种未被察觉的唱歌才能。