hidden
剑桥词典
hidden adjective [usually before noun] (NOT EASY TO FIND)
not easy to find不易找到的，隱藏的
a hidden valley 一座不宜找到的峽穀
There were hidden microphones in the room to record their conversation . 房間內有隱藏的話筒記錄他們的對話。
hidden adjective [usually before noun] (NOT KNOWN ABOUT)
that most people do not know about不爲人知的
hidden costs /taxes 隱匿成本／稅收
Hidden problems may lead to an increase in costs . 預先不知道的問題可能導致成本的增加。 返回 hidden