yawned

n.an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom

"he could not suppress a yawn"; "the yawning in the audience told him it was time to stop"

同义词：yawningoscitanceoscitancy

v.

utter a yawn, as from lack of oxygen or when one is tired

"The child yawned during the long performance"

be wide open

同义词：gapeyaw

1. She yawned several times during the lecture because it was so boring.
   她在讲座中打了好几次哈欠，因为讲座太无聊了。
2. As the movie dragged on, he yawned and checked the time.
   随着电影的拖延，他打了个哈欠并看了看时间。