If you describe something as a travesty of another thing, you mean that it is a very bad representation of that other thing.
①Her research suggests that Smith's reputation today is a travesty of what he really stood for.
②If he couldn't prepare his case properly, the trial would be a travesty .
[font color="#FF4500"]look up[/font]
①If you look up a fact or a piece of information, you find it out by looking in something such as a reference book or a list.【（在参考书、列表等中）查检（事实或信息）】
②If you look someone up, you visit them after not having seen them for a long time.【拜访，探访，看望（久未见面的人）】
③If a situation is looking up, it is improving.【改善；好转】
①Many people have to look up the meaning of this word in the dictionary.
②She looked up some friends of bygone years.
③Things could be looking up in the computer industry.