1. "Joker" is an English word that refers to a person who loves to joke around, tell jokes, or is considered a fool, a waste, or in certain card games, it represents the wild card, the highest or lowest card.
2. The pronunciation of "joker" is:英[ˈdʒəʊkə(r)]，美[ˈdʒoʊkər].
3. [Example] He is, by nature, a joker, a witty individual with a sense of humor. By saying this, it implies that he is a fun-loving person who is always joking around and has a great sense of humor. Joker, also known as the Clown Prince of Crime, is a major supervillain in the DC Comics universe, posing a significant threat to Batman. His real name and background remain a mystery, first appearing in Batman #1. The origins of the Joker have never been clearly explained in the DC Comics universe. A widely accepted theory is that the Joker was once an engineer at a chemical plant, but his dream was to become a comedian.
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