v.打呵欠；张开
n.呵欠；乏味的人（事）
His long boring story made me yawn. 他的冗长的故事听得我直打呵欠。
He closed the book, yawned, and went to bed. 他合起书, 打了个呵欠, 然后上床睡觉了。
用作名词 (n.)I gave a loud yawn, but he just kept on talking. 我大声打了个呵欠，可他还是不停地讲下去。
yawn的基本意思是“打呵欠”,指由于困乏或不耐心而表现出的把嘴张得大大地,深深地、慢慢地呼吸。引申可指“张开,裂开”。
yawn一般用作不及物动词。偶尔也用作及物动词,后接名词作宾语。
yawn也可用作名词,意思是“呵欠”“乏味〔枯燥〕的事物”。例如:His yawns suggested he was either tired or bored.他呵欠连天说明他不是疲倦,就是厌倦了。
