hidden
🇺🇸
/ˈhɪdn/
🇬🇧
/ˈhɪdn/
not easy to see or find
The treasure was hidden under the floorboards.
宝藏被藏在地板下面。
not obvious or known
His comment had a hidden message that only she understood.
他的评论中有一个只有她才能理解的隐藏信息。