He defeated the enemy using the Thirty-Six Stratagems.

Infrasound is a type of sound that is inaudible to the human ear.

Debuccalization refers to the phenomenon in phonetics where a specific sound is pronounced outside the oral cavity.

Kunminjōon is a book for teaching the correct pronunciation of Hangul.

Whenever he faced a difficult situation, he always said, 'The best of the Thirty-Six Stratagems is to run away.'

Understanding the concept of 'Ha-line conversion sounds' is important in learning Japanese.

He said, 'The advantages of heaven and earth are nothing compared to the harmony among people,' emphasizing the importance of teamwork.

He is playing the character of a lamp.