1、opposite

在…的对面

Jennie had sat opposite her at breakfast.

珍妮吃早餐时坐在她对面。

（同一类事物）截然相反的，全然不同的

All the cars driving in the opposite direction had their headlights on.

对面开来的车都打着头灯。

I should have written the notes in the opposite order.

我本应按相反的顺序记笔记的。

对立物；对立面

Ritter was a very complex man but Marius was the opposite, a simple farmer.

里特城府颇深，而马里厄斯恰恰相反，是个心地淳朴的农民。

Well, whatever he says you can bet he's thinking the opposite.

呃，不管他说什么，你都可以肯定他想的完全是另一套。

2、go back

追溯到；回溯到

The feud with the Catholics goes back to the 11th century.

与天主教的夙怨可以追溯到11世纪。

Our association with him goes back four years.

我们同他的合作是从4年前开始的。

回到（过去）；回顾

If you go back to 1960, you'll find that very few jobs were being created.

如果回到1960年，你会发现工作机会寥寥无几。