hardly放在句首,主句部分倒装。如:Hardly had he arrived home when it began t o rain .
Hardly had he returned to London when an anonymous well-wisher called to say he was about to be raided by Customs & Excise.他刚回到伦敦,就有一个不愿透露姓名的好心人打来电话说,他即将面临海关的突击检查。