(1)be related to 意思为：有亲属关系的;属同一家族的，与..有因果关系（侧重直接因果关系）(英文解释1：People who are related belong to the same family.

（英文解释2： If two or more things are related, there is a connection between them.）

All things were related to all other things.
所有事物都是和所有其他事物相联系的。

These two events were related to each other.
这两个事件相互有联系。

We offer courses that relate English literature to other subjects.

我们开设了一些将英国文学和其他科目联系起来的课程。

High unemployment is related to high crime rates.

高失业率和高犯罪率有因果关系。

The heart attack could be related to his car crash last year.

心脏病的发作可能与他去年的车祸有关

(2)be associated with 和…联系在一起; 与…有关,与..有联系（侧重于间接有联系）

(英文解释：If one thing is associated with another, the two things are connected with each other.）

 Lust now seems to be associated with casual sex and loose morals.  

色欲如今似乎与性生活随便和道德放纵联系在一起了。

I don't want to be associated with your scheme; I'm contracting out.  

我不想参与你们的计划, 我要退出.

These symptoms are particularly associated with migraine headaches.  

这些症状尤其与偏头痛相关。