Definition
To be kept waiting for a period of time, often with little to do.
被迫長時間等待。
Due to the flight delay, we were left kicking our heels at the airport for hours.
由於航班延誤，我們被迫在機場空等了幾個小時。
After the interview, I was just kicking my heels, not knowing what the outcome would be.
面試結束後，我只能乾等著，不知道結果會如何。
They were left kicking their heels outside in the rain, as the host wasn't ready to receive them yet.
他們被留在外面淋雨乾等，因為主人還沒準備好接待他們。