He pored over the letter searching for clues about the writer.他仔细阅读那封信，寻找能确定写信人的蛛丝马迹。I can't agree with the letter writer who claims bringing back the death penalty would be an abuse of human rights.我不能赞同写信人所称恢复死刑就是侵犯人权的说法。The writer forgot to put her address.写信人忘了写上她的地址。