Cách sử dụng
The word 'yawn' refers to a natural and contagious reflex that involves opening one's mouth and inhaling deeply due to tiredness, boredom or lack of air. It is usually a sign of fatigue, sleepiness, or annoyance. You can use the word 'yawn' in a sentence when you see someone is feeling sleepy or bored, for example, "I can't stop yawning in this lecture" or "I yawned when I saw the long list of chores I have to do."