形容詞 unsuspected:

1. not suspected or believed likely

1. As the project develop, unsuspected difficulty come to the fore.
   隨著工程項目的發(fā)展，沒有料到的困難接連出現(xiàn)了。
2. Articles in Time's Medical Section often alert readers to unsuspected ailments.
   《時代》周刊醫(yī)藥欄目里的文章常告誡讀者對自己意想不到的疾病保持警惕。