柯林斯詞典yawn /j??n/ (yawning,yawned,yawns) 1. V-I If you yawn, you open your mouth very wide and breathe in more air than usual, often when you are tired or when you are not interested in something. 打哈欠 She yawned, and stretched lazily. 她打了個(gè)哈欠，伸了個(gè)懶腰。2. N-COUNT Yawn is also a noun. 哈欠 Rosanna stifled a huge yawn. 羅莎娜忍住了一個(gè)大哈欠。 返回 yawn劍橋詞典to open the mouth wide and take a lot of air into the lungs and slowly send it out, usually when tired or bored 打哈欠 I can't stop yawning - I must be tired . 我一個(gè)勁兒打哈欠——肯定是累了。 例句 He yawned loudly in the middle of her speech .I was so tired , I couldn't help yawning. 返回 yawn