It means understanding and adopting correct speech.

Pinyin: chá nà yǎ yán

Source: "Your Majesty should also make plans for himself, consult the good ways, and observe the elegant words." It comes from Zhuge Liang's "Shi Shi Biao" during the Three Kingdoms period.

Translation: Your Majesty should also make your own plans, offer loyal suggestions without reservation, and adopt correct opinions.

Explanation of words: Chana, to examine and adopt; Yayan, correct opinion; Na, to adopt.

Nature: complimentary word

Idiom usage: used as predicate, object, attributive and adverbial.

Sentence creation: As a king of a country, you must be honest and polite in order to be loved by the people.

Extended information

"Chanaya Yan" comes from Zhuge Liang's "Chu Shi Biao" during the Three Kingdoms period. The background of the creation is as follows:

Zhuge Liang wrote a memorial to Liu Chan before he left to attack Wei. In the article, he used sincere words to persuade the latter to inherit the legacy of the late emperor, open up the world, make clear rewards and punishments, and keep friends from the virtuous and distant from the nefarious. Completing the great cause of reviving the Han Dynasty expressed Zhuge Liang's sincere feelings for the late emperor's kindness, his determination to conquer the Central Plains, and his loyalty to the Liu family and his son.

Reference material: Baidu Encyclopedia-Teacher’s Guide