学习资料

[意       思]n. 呵欠
[例]  He stretched himself with a yawn. 他打了个呵欠伸了伸懒腰。
vi. 打呵欠
[例]  Mr. Walsh yawned over the evening papers. 华尔希先生一边看晚报一边打呵欠。

更多意思

n.1.  哈欠
2.  乏味之事

vi.1.  打哈欠
2.  （大的洞穴或空间）非常宽，难以逾越

参考例句

1.	The meeting was one big yawn from start to finish.
	那会议自始至终十分无聊。
2.	He got up with a stretch and a yawn .
	他站起来伸伸懒腰，打个呵欠。
3.	A yawn is often contagious.
	大呵欠常有感染性。
4.	a lazy yawn
	懒洋洋的呵欠
5.	stifle a yawn , laugh, cry, sob, etc
	忍住哈欠, 笑, 哭, 抽泣等