Hardly had the meeting started when the fire alarm went off in the building.

會議才剛開始，大樓的火災警報就響了。

I had hardly sent the invoice when the client called to ask about it.

我才剛寄出發票，客戶就打電話來詢問了。

We had hardly checked into the hotel when our flight was rescheduled for tomorrow.

我們才剛辦好飯店入住，班機就被改到明天了。