1、represent

代理，代表（个人或团体）

the politicians we elect to represent us.

我们选举出来代表我们的政界人士

The offer has yet to be accepted by the lawyers representing the victims.

受害者的代理律师还没有接受这个提议。

代表（个人或团体）出席

The general secretary may represent the president at official ceremonies.

总书记可以在一些官方仪式上代表主席。

(在竞赛或体育赛事中)代表（国家或地区）

My only aim is to represent Britain at the Olympics.

我唯一的目标是代表英国参加奥运会。

相当于，代表着（变化、成就、胜利等）

The pieces on view are not grouped around any one theme, but rather represent superb examples from various periods.

展出的作品并非围绕着一个主题，而是不同时期的经典之作。

These developments represented a major change in the established order.

这些发展代表了现有秩序的重大转变。

2、impression

印象;感想

What were your first impressions of college?

你对大学的第一印象是什么？

My impression is that they are totally out of control.

我的感觉是它们完全失去了控制。

(通常有悖事实的)感觉,假象

I don't want to give the impression that I'm running away from the charges.

我不想给人一种我在逃避指控的感觉。

He cleverly inserted mirrors above the window to create an impression of space.

他巧妙地在窗子上面镶嵌了几面镜子，以营造一种空间感。

(通常指对名人的)滑稽模仿

He did impressions of Sean Connery and James Mason.

他对肖恩·康纳利和詹姆斯·梅森进行了滑稽模仿。