against agent ahead

①against /əˈɡenst/ 

Against has two meanings. 

First it means to be opposed to something or to not agree

with something.

prep. 反对，违反

The drivers are against the new traffic rules. 

司机们反对新的交通规则。

Against also means to be near or touching something. 

prep. 紧靠，倚

The tree is against the fence.

这棵树靠着篱笆。

②agent /ˈeɪdʒənt/

An agent is someone who arranges something for other people. 

n. 代理人，代理商

The travel agent made arrangements for our trip.

旅行社为我们的旅行做了安排。

③ahead /əˈhed/ 

Ahead means in front. 

adj. 在前的，领先的

She is ahead of me in line or in front of me she is ahead. 

在队伍里，她站在我前面。