🔊 原版音檔暫缺 — 可先聽瀏覽器朗讀
在體育比賽裏經常會聽到 to be under starter's orders 這個短語，意思是待發起跑令。
The athletes have been waiting for this moment for years. They're under starter's orders. And they're off!
It was only a second or two but the runners seemed to be under starter's orders for hours before the pistol was fired.
Under arms 意思是出於備戰狀態中，隨時凖備作戰。
Example: The rebels were under arms and an attack was just a matter of time.