1、Then they start toyawn, we start toyawn.(然后他们开始打哈欠，我们也开始打哈欠。)
2、The meeting was one bigyawn from start to finish.(这个会议自始至终都无聊透顶。)
3、Have you everyawned in front of someone, only to have themyawn right back?(你有没有在别人面前打呵欠，结果对方也打呵欠？)
4、Before youyawn, 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。)
5、It was many hours since he had eaten anything and he started toyawn from hunger.(他已经很多个小时没吃东西了，饿得开始打呵欠。)
6、He faked ayawn.(他装着打了一个呵欠。)
7、This accords with anecdotal evidence that people oftenyawn in situations where they are neither tired nor bored, but are preparing for impending mental and physical activity.(这与坊间流传的证据相符，即人们常会在既不累也不无聊的情况下打哈欠，只是为即将到来的精神和身体活动做准备。)
8、At last the Rat, with a tremendousyawn, said, "Mole, old chap, I'm ready to drop."(最后，水鼠兰特打了一个大大的呵欠，说：“莫尔，老伙计，我快要倒了。”)
9、She managed to stifle ayawn.(她忍住了呵欠。)
10、He gave an ostentatiousyawn.(他张扬地打了个哈欠。)
11、She stifled anotheryawn and tried hard to look interested.(她又忍住了哈欠，竭力显出感兴趣的样子。)
12、Just the thought makes meyawn.(即使只是想想这些就能使我想打哈欠。)
13、We know what you're thinking:yawn.(我们知道你在想什么：想打呵欠吗？)
14、That may be a hint thatyawn 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”。)
15、Rosanna stifled a hugeyawn.(罗莎娜强忍住没打哈欠。)
16、Nobody had time toyawn that morning.(那天早上没有人有时间打呵欠。)
17、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。)
18、At last, with a sigh and ayawn, he gave it up.(最后，他叹了口气，打了个呵欠，就放弃了。)
19、They start toyawn, and we start toyawn.(他们开始打哈欠，我们也开始打哈欠。)
20、A bigger question puzzling scientists is why weyawn 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。)
21、The dog in our yard awakes with ayawn(院里的狗狗打着哈欠醒过来)
22、She stretched her arms out and gave a greatyawn.(她伸开手臂，打了个大呵欠。)
23、Do you know how it is when you see someoneyawn and you startyawning 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?)
24、Heryawn was a Pavlovian response to myyawn.(她打哈欠是对我打哈欠的条件反射。)
25、In other words, if there are no surprises, it's just ayawn.(换言之，如果没有令人惊讶之处，它只不过是个哈欠。)
26、So, I expected the market toyawn.(因此，我预计市场不会理睬它。)
27、Fact is, we don't know why peopleyawn.(事实上，我们不知道为什么人们会打哈欠。)
28、She makes no attempt to stifle ayawn.(她并未试图忍住一个哈欠。)
29、That is a long time, and he has toyawn 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。)
