Elegance describes a dog whose mouth cannot spit out ivory

So-and-so is always outspoken. According to a query on Sohu News, we learned that an elegant way to express the inability to spit out ivory from a dog's mouth can be like this: "So-and-so is always outspoken when speaking." "A dog's mouth cannot spit out ivory" mainly refers to a bad person's mouth that cannot speak good words. It is often used in satire or jokes.