楼上两位的翻译表达出了楼主想说的.
不过,普遍上有个短语楼主可以参考：-
Don't judge a book by its cover.
（直译：别单凭一本书的封面就对那本书的内容下定论）
（意译：don't determine the worth of something based on its appearance,或是“别以貌取人”）
希望能帮到楼主.
楼上两位的翻译表达出了楼主想说的.
不过,普遍上有个短语楼主可以参考：-
Don't judge a book by its cover.
（直译：别单凭一本书的封面就对那本书的内容下定论）
（意译：don't determine the worth of something based on its appearance,或是“别以貌取人”）
希望能帮到楼主.