1.unassuming exterior.
外表看起来很普通但性能很好的车。
Asleeper(US English) orQ-car(British English) is a car that has high performance and an unassuming exterior.
美国英语为什么把这种看上去很低调的汽车叫作 sleeper 或 sleeper car呢？
因为是借用了sleeper agent 的意思。
Sleeper agent 就是潜伏的特工，你可以联想你看过的谍战剧，例如《潜伏》里的余则成。这种特工的任务就是长时间地潜伏，不能暴露身份，平时没什么任务，只等某个关键时刻才被唤醒。
2.touch base，表示“跟某人碰头，简短的对话”。
用英语解释可能更清楚一点：
to talk to someone for a short time to find out how they are or what they think about something.
例句：
I just wanted to quickly touch base with you: did you get an email from my secretary about the meeting?
再看一个BBC英语学习频道的例句：
OK, let's close this meeting for now and touch base early next week to see how much progress has been made.
好了，会先开到这里。下周初我们再碰一下，看看进展如何。（这里的“再碰一下”意思就是再碰个头简单聊聊这件事）
3.heads up
外企的语境中还有一个词也很常用：heads up 也可以写作heads-up.
Heads up最常见的意思是“预警”，a warning that something is going to happen, usually so that you can prepare for it.
例如：
This note is just to give you a heads-up that the new boss will be arriving next week. 这个通知是给大家提个醒，新老板下周到。
*根据不同上下文，heads up可以有不同的翻译。”提个醒“、”碰一碰“、”碰个头“都有可能。
一般来说，give someone a heads-up是最常见的用法。很多人把heads up当成了复数，前面不加a，这是最常见的错误。
其实，business email是个值得深入研究的大话题，真正能写好business email的人不多。有兴趣的读者可以浏览下面这个网站，上面有些不错的内容。The Balance Careers
作者：四十九年非
链接：https://www.jianshu.com/p/8e2d347242cf
来源：简书
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