[ + 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。