yawn
过去式：
动词过去式: yawned
更多词形：
名词: yawner | 动词过去式: yawned | 动词过去分词: yawned | 动词现在分词: yawning | 动词第三人称单数: yawns |
单词例句：
I just managed to smother a yawn.
我刚设法忍住了一个呵欠。
His long boring story made me yawn.
他的冗长的故事听得我直打呵欠。
The play was a big yawn from start to finish.
那出戏从头至尾极其乏味。
Every few minutes he stopped to yawn and stretch.
每隔几分钟他就停下来打个哈欠，伸伸腰。
She stifled another yawn and tried hard to look interested.
她又忍住了哈欠，竭力显出感兴趣的样子。
His long lecture made us yawn.
他那冗长的演讲使我们听得想打瞌睡。
They were all so tired that they could do nothing but yawn.
他们太累了，除了伸懒腰什么都做不了了。
They were so tired they could do nothing but yawn.
他们如此疲劳以至于什么也不能做,只有打哈欠。
I gave a loud yawn,but he just kept on talking.
我大声打了个呵欠，可他还是不停地讲下去。