involuntarily open one's mouth wide and inhale deeply due to tiredness or boredom
打呵欠,欠伸
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he began yawning and looking at his watch .他开始打呵欠,并看了看手表。
[usu. as adj.
裂开,豁开
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a yawning chasm .一个裂开大口的深沟。
a reflex act of opening one's mouth wide and inhaling deeply due to tiredness or boredom
呵欠,哈欠。
〈非 正式〉 乏味的事
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a long period of your life is a yawn to everyone .你一生中有很长一段时光对大家而言都是平淡乏味的。
"Old English