you can never tell | you never can tell成語所屬單字tellyou can never tell | you never can tellyou can never tell | you never can tell — 慣用語慣用語1. You can never be sure because things are not always as they seem.1.慣用語釋義很難說You can never be sure because things are not always as they seem.例句You can never tell what the weather will be like.He might be friendly—you never can tell.