2015英语分类知识大全against

against prep.

1)对着，反对;

e.g. If no one is against this plan, lets carry it out.

如果没有人反对这个计划，那我们就开始吧。

2)靠着，依着：

e.g. The policeman asked the young man to stand against the wall.

警察命令那个年轻人靠着墙站好。