on the hop的用法和样例：
例句
- I've been on the hop all day.
我一天到晚忙得团团转。 - 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。
词汇搭配
- catch someone on the hop 出其不意当场抓住某人...
- catch on the hop 趁不备时抓住(使措手...
- keep someone on the hop 使某人忙个不停...
