6. She stretched her arms out and gave a great yawn.
她伸开手臂，打了个大呵欠。
《柯林斯英汉双解大词典》
7. 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。
《牛津词典》
8. Rosanna stifled a huge yawn.
罗莎娜强忍住没打哈欠。
youdao
9. They start to yawn, and we start to yawn.
他们开始打哈欠，我们也开始打哈欠。
youdao
10. At last, with a sigh and a yawn, he gave it up.
最后，他叹了口气，打了个呵欠，就放弃了。
youdao
11. A bigger question puzzling scientists is why we yawn at all.
让科学家们感到困惑的一个更大的问题是，我们究竟为什么会打哈欠。
youdao
12. That is a long time, and he has to yawn himself, he gets so tired.
那是一段很漫长的时间，他不得不打呵欠，他太累了。
youdao
13. A smile, frown, raised an eyebrow, yawn, and sneer all convey information.
微笑、皱眉、挑眉、打哈欠和冷笑都传达信息。
youdao
14. Do you know how it is when you see someone yawn and you start yawning too?
当你看到有人打哈欠时，你也会开始打哈欠，你知道这是怎么回事吗?
youdao
15. Have you ever yawned in front of someone, only to have them yawn right back?
你有没有在别人面前打呵欠，结果对方也打呵欠？
youdao
16. It was many hours since he had eaten anything and he started to yawn from hunger.
他已经很多个小时没吃东西了，饿得开始打呵欠。
youdao
17. That may be a hint that yawn evolved as a social cue—"time for us all to go to bed".
也许这是打哈欠进化为社交线索的一种暗示——“到我们大家睡觉的时间了”。
youdao
18. Before you yawn, rub your eyes and hit the snooze button, consider the consequences of living in a nation of sleepheads.
在你打哈欠、揉眼睛、准备打盹之前，想一想生活在一个瞌睡虫遍地的国家是怎样的一个情况吧。
youdao
19. A similar situation exists in America, where there are those individuals you may be one of them who yawn or even frown when somebody mentions baseball.
在美国也有类似的情况，当有人提到棒球时，有些人会打哈欠甚至皱眉，你可能就是其中之一。
youdao
20. A similar situation exists in America, where there are those individuals you may be one of them who yawn or even frown when somebody mentions baseball.
在美国也有类似的情况，当有人提到棒球时，有些人会打哈欠甚至皱眉，你可能就是其中之一。
youdao
21. This accords with anecdotal evidence that people often yawn in situations where they are neither tired nor bored, but are preparing for impending mental and physical activity.
