claim是贬义词吗

不是贬义词，claim，意思是声称、断言、需要、索取，例如：

1.They claim to be the party of law and order.他们声称自己是重视治安问题的政党。

2.They claim to have a 40% worldwide market share.他们声称占有全球40%的市场。

3.She claimed her problems were down to the media.她声称她的问题是媒体造成的。