You use guise to refer to the outward appearance or form of someone or something, which is often temporary or different from their real nature.
例句
He turned up at a fancy dress Easter dance in the guise of a white rabbit...他扮成白兔在復活節化裝舞會上亮相。I see myself at different moments of history, in various guises and occupations.我想象自己生活在不同的歷史時期，以不同的模樣出現，從事著不同的工作。
英漢詞典釋義
n.
外觀, 偽裝
They got into the school in the guise of inspectors.他們假裝成視察員進了學校。