Then they start to yawn, we start to yawn.(然后他们开始打哈欠，我们也开始打哈欠。)
The meeting was one big yawn from start to finish.(这个会议自始至终都无聊透顶。)
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？)
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。)
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。)
He faked a yawn.(他装着打了一个呵欠。)
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.(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。)
At last the Rat, with a tremendous yawn, 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。”)
