请问这四个英文单词的用法上的区别

1）connect表一种事物与其他事物的关系.常用be connected with与……相联接.如：
Some films is connected with education with recreation．有些电影能融教育于娱乐之中.
2）link联接；联系（指不同事物间的联系）.常用be linked with与……有联系
The interest of his is linked with that of the country．他的利益同国家的利益联系在一起.
3)associate是联想,把什么联想在一起,联合,使有联系.
They associate turkey with Thanksgiving.他们把火鸡和感恩节联系在一起.
4)intertwine是(使)纠缠,(使)缠绕.
Their fingers intertwined.
他们的手指在一起勾著.