on the hop的用法和樣例：
例句
- I've been on the hop all day.
我一天到晚忙得團團轉。 - 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--給我五分鐘準備一下吧。
辭彙搭配
- catch someone on the hop 出其不意當場抓住某人...
- catch on the hop 趁不備時抓住(使措手...
- keep someone on the hop 使某人忙個不停...
