profess       
verb [ T ] uk/prəˈfes/ us/prəˈfes/
 声称;自称;谎称
to state something, sometimes in a way that is not sincere
  [ + to infinitive ] She professes not to be interested in money. 她声称对钱不感兴趣。 
 I don't profess to know all the details about the case. 我不敢妄称了解这个案件的所有细节。 
 She professes ignorance of the whole affair, though I'm not sure I believe her. 她声称对整个事件一无所知,但我不能确定是否该相信她。