严禁 Traditional form: 嚴禁 Pinyin (reading): yánjìn Definitions: to strictly prohibit Characters: 严 - strict, rigorous, rigid; stern 禁 - to restrict, to prohibit, to forbid; to endure Traditional characters: 嚴 - strict, rigorous, rigid; stern 禁 - to restrict, to prohibit, to forbid; to endure