yawn /jɔːn/:打哈欠(常因困倦、无聊或缺氧而不由自主地张大嘴吸气);也可指“哈欠”这一动作/现象(名词)。
/jɔːn/
I yawned because I was tired.
我因为太累而打了个哈欠。
As the lecture went on, he tried to hide a yawn, but his eyes watered and his jaw tightened.
讲座继续进行时,他努力忍住哈欠,但还是眼眶发酸、下巴发紧。
yawn 来自古英语 ganian(张口、打哈欠),与表示“张开嘴”的意义相关;词形在历史演变中逐渐稳定为 today 的 yawn,核心含义一直围绕“张口吸气的动作”。