quixotic
adjective /kwɪkˈsɒtɪk/
/kwɪkˈsɑːtɪk/
(formal)- having or involving ideas or plans that show imagination but are usually not practical
想入非非的;异想天开的;堂吉诃德式的 词源From the character Don Quixote in the novel by Miguel de Cervantes, whose adventures are a result of him trying to achieve or obtain things that are impossible.