人山人海 Traditional form: 人山人海 Pinyin (reading): rénshānrénhǎi Definitions: (idiom) multitude; vast crowd Characters: 人 - man, person; people 山 - mountain, hill, peak 人 - man, person; people 海 - sea, ocean; maritime Traditional characters: 人 - man, person; people 山 - mountain, hill, peak 人 - man, person; people 海 - sea, ocean; maritime