到处奔忙；忙碌

on the hip───处于不利地位

on the hoof───活着的，未屠宰；事先无准备地

on the hook───陷入圈套；拖延

on the hour───准点地；在整点时刻

on the bot───想乞讨

on the dot───正点，准时地

on the go───忙个不停，四处奔走

on the job───在工作；在忙著

on the nod───赊购

Louis's decision caught Henry on the hop. He rode through the night in order to be able to greet Louis on Dover beach.───路易国王的决定令亨利二世措手不及，为了赶得及在多佛海滩迎接路易国王，他星夜骑马赶路。

She was kept on the hop during our excursion.───在我们的旅行期间,她显得很活跃.

I'm afraid your order has caught us on the hop — the goods aren't available yet.───恐怕你的订单来得太突然,我们全无准备,目前尚无货源.

We would never catch him on the hop.───我们永远不会当场抓到他.

I went in without knocking and there was his secretary sitting on his knee; I'd caught him on the hop.───我进去时没敲门，他的秘书正坐在他膝盖上，我搞得他措手不及。

I've been on the hop all day.───我一天到晚忙得团团转.

The unions were initially caught on the hop.───最初,工会有点措手不及.

His plans almost caught security chiefs and hotel staff on the hop.───他的计划几乎让安全主管和饭店工作人员都措手不及。

Our visitors arrived early, and caught us on the hop.───客人提早到达, 令我们措手不及.

Police officers are being caught on the hop with all these rioters.───警察官员对这些冷笑措手不及.

You've caught me on the hop, I'm afraid give me five minutes to get ready.───你弄得我措手不及--给我五分钟准备一下吧.

The police caught her fairly on the hop with all the stolen property in her possession.───警察当场就把她捉住,人赃俱在.

Well. You've caught me on the hop, as a matter of fact?───哟,你可 真 让我措手不及. 事实上?

I now see why they kept me on the hop.───现在我知道他们为什么让我这么忙碌了.

I'm afraid your order has caught us on the hop — the goods aren't available yet.