yawn
verb- [intransitive]
to open your mouth wide and breathe in deeply through it, usually because you are tired or bored 打哈欠 He stood up, stretched and yawned. 他站起身来，伸了个懒腰，打了个哈欠。 We couldn't help yawning during the speech. 演讲过程中，我们忍不住打呵欠。 - + speech
‘Wow,’ she yawned, ‘a customer.’ “哇，”她打了个哈欠，“一个顾客。
Extra ExamplesHe got fed up of people yawning at him when he talked about his job. 他烦透了那些听到他谈论自己的工作就朝他打哈欠的人。 He sat up and yawned hugely. 他坐起来，打了一个大哈欠。 I was so tired I couldn't stop yawning. 我太累了，忍不住打起了哈欠。
Oxford Collocations Dictionaryadverb- hugely
- widely
- loudly
- …
- make somebody
- hear somebody
- at
- can’t stop yawning
- [intransitive]
(of a large hole or an empty space 大的洞穴或空间 to be very wide and often frightening and difficult to get across 非常宽；难以逾越
Word OriginOld English geonian, of Germanic origin, from an Indo-European root shared by Latin hiare and Greek khainein. Current noun senses date from the early 18th cent.