yawning
adj. 打哈欠的，张着大嘴的
n. 打呵欠
v. 打哈欠（yawn 的 ing 形式）
例句
She turned luxuriantly on her side, yawning.
她打着呵欠，舒适地转身侧向一边。
《牛津词典》
He stood yawning, his pyjama jacket gaping open.
他敞开睡衣站着打呵欠。
He called, yawning and rubbing his eyes.
他打着哈欠，揉着眼睛，喊道。
