An expression such as a metaphor or simile or a device such as personification or hyperbole in which words are used in a nonliteral way to achieve an effect beyond the range of ordinary language.形象化说法：例如隐喻或直喻等表达方式或如拟人或夸张等文学手法，通过这些方法文字能用非字面的意义获得超过普通语言的效果