Definition
To breathe with difficulty due to physical exertion; to be short of breath.
氣喘吁吁（因體力活動）
I was out of puff after running up that hill.
我跑上山後上氣不接下氣。
He stopped to rest, being out of puff after climbing the stairs.
他停下來休息，因為爬完樓梯後上氣不接下氣。
The athletes were all out of puff after the intense match.
激烈的比賽結束後，所有運動員都上氣不接下氣。