If you describe something as a travesty of another thing, you mean that it is a very bad representation of that other thing.
例句
Her research suggests that Smith's reputation today is a travesty of what he really stood for...她的研究表明史密斯今天的名聲是對他過去真正主張的一種嘲弄。If he couldn't prepare his case properly, the trial would be a travesty.如果他不能好好準備他的訴訟，審判將會成為一場拙劣的鬧劇。