上書

Verb

 * 1) to submit a document to one's superior or higher authorities; to present a petition
 * 2)  to memorialize the emperor
 * 3)  to teach a new lesson
 * 1)  to teach a new lesson

Noun

 * 1) giving a letter to the government, lord or noble to express one's opinion; or the letter of them

Noun

 * : superscription; overwrite