0 to open the mouth wide and take a lot of air into the lungs and slowly send it out, usually when tired or bored -- 打哈欠
1 an act of yawning -- 哈欠
There are enough yawning gaps between our pretensions to social equality, equality before the law, freedom of all kinds, to motivate a million comedies.
I have been watching them very carefully, and they have been yawning their heads off.
The gap in our overseas trade yawns dangerously.
His frame of mind must have been one of agonised horror at the gulf yawning before him.
I fancy that there have been one or two yawns this evening.
Symptoms of liver damage are yawning, weight loss, poor condition, sunburn and diarrhoea.