隐患 Traditional form: 隱患 Pinyin (reading): yǐnhuàn Definitions: a danger concealed within sth hidden damage misfortune not visible from the surface Characters: 隐 - to hide, to conceal; secret, hidden 患 - suffering; misfortune; trouble; to suffer Traditional characters: 隱 - to hide, to conceal; secret, hidden 患 - suffering; misfortune; trouble; to suffer