The four characters literally combine to mean “according to the script, proclaim the text.” This paints a clear picture of someone rigidly following a pre-written document, focusing only on reciting the words rather than conveying the meaning or spirit behind them.
The concept of 照本宣科 touches on a deep cultural tension in China between form and substance. Historically, Chinese imperial examinations and education heavily emphasized rote memorization and the precise recitation of classical texts. Adherence to established forms was a sign of a good education and respect for tradition. However, 照本宣科 is a critique of when this adherence to form becomes hollow. It reflects a modern value placed on genuine understanding, passion, and adaptability. While preparation is respected, simply parroting a text is seen as a sign of intellectual laziness or a lack of true mastery. In Western culture, a similar concept is “phoning it in” or giving a “canned speech.” The key difference is that 照本宣科 is more specifically about the act of reading from a physical or mental *script*. “Phoning it in” can describe a half-hearted effort in any task, not just speaking. 照本宣科 criticizes the delivery itself as being slavishly and soullessly tied to a text, which is a common pitfall in formal settings like government press conferences or academic lectures.
This idiom is almost always used with a negative or critical connotation. It is common in formal and informal contexts.