难度：两星
【句子】Mike, we’re on the clock. 【Desperate Housewives S1E12】
【发音】[maɪk] [wɪə(r)] [ɒn]/[ɑ:n] [ðə] [klɒk]/[klɑ:k]
【发音技巧】on和clock英美发音中元音读法不同；
【翻译】Mike，我们在工作呢！
【适用场合】英语中clock本身可以用来指表
但是on the clock有些什么意思呢？一起来学习一下。

1. sb. is on the clock 指某个人正在工作/正在上班（常指工作日）
Currently engaged in work during one's normal working day or assigned hours.
eg: I'd love to have a beer with you, but as you can see by the uniform I'm wearing, I'm actually on the clock right now.
我也很想和你一起喝一杯啤酒，但是你也能看到我现在穿着制服，我现在这会儿在工作呢。

2. 出租车正在搭载客人，正在计费
Of a taxi, currently engaged to carry a passenger and having an active meter.
这里英文释义的meter指的其实是taximeter 车费计价器
eg: Sorry, but I can't stay to chat. I've got a taxi waiting outside that's still on the clock!
不好意思，但是我没办法留下来和你聊天，我外面还有辆 出租车计着价等着我呢！

3. 用来描述开车的时候速度表/里程表显示的数字。
Currently displayed on a motor vehicle's speedometer or milometer.
[spɪˈdɑː.mə.tə(r)] [maɪˈlɑ:mɪtə(r)]
eg: I can't believe I got a ticket for speeding—I was only going 50 on the clock!
简直不敢相信，我能因为超速收到一张罚单！我之前一直开的是50的速度啊。

eg: This car may have 200,000 kilometers on the clock, but it still runs as smooth as ever.
这辆车的里程数显示是20万千米，但是还是开起来很平顺。

【尝试翻译以下句子，并留言在文章留言区】
I was only doing 30 mph on the clock.
(mph = miles per hour)