But as Lightman well knows, his scientific ability is both a blessing and a curse in his personal life, where family and friends deceive each other as readily as criminals and strangers do.

• 这不难理解--如果你也有他的这种能力，你会发现家人或友人之间互相欺骗，会让你感觉自己在面对诈骗犯与陌生人。