1. Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
    大家都知道，在墙壁或山腰附近发出的喊声，就会听到回声。

2. Eliot says you can first make a list of 12 things, then cut it down to 6 and set your priorities.
    埃利奥特说，你可以先列出12件事，然后把它压缩到6件，要确定轻重缓急。

3. Before returning home at night, he took a shower and changed back into his suit.
    晚上回家前,他洗个淋浴,又换上他那套西装.

4. Beautiful combs, pure tortoiseshell, with jewels set in-just the colour to wear in her beautiful hair.
    多么好看的梳子,纯玳瑁做的,镶着铢宝,颜色恰好配上她那美丽的头发.

5. Business English is simply a set of English vocabulary words; it is not,as some seem to think, a language unto itself.
    商用英文只是一组英文字汇,它并不是如一些人所想,本身自成一种语言.

6. Both these ships set out from Shanghai on June 18th, 1872 on an exciting race to England.
    两船于1872年6月18日同时从上海启航驶往英国，途中展开了一场激烈的比赛。

7. Because of this, we kept looking back, wondering if we were leaving a trail of oil and petrol behind us.
    因此，我们不时地掉过头，怀疑车后是否留下了机油和汽油的痕迹。

8. Before we had time to worry about what might happen, we were back on the plain again.
    我们还未来得及担心后果，车已重新开上了平地。

9. Before returning home at night, he took a shower and changed back into his suit.
    晚上回家前，他洗个淋浴，重新换上那身黑色西服。

10. By January 10th, I was back to where I had started from.
    到了1月10日，我恢复了原来的作息时间。