1 (an) affinity (for/with sb/sth) a strong feeling that you like and understand sb/sth, usually because you feel similar to him/her/it in some way 亲和感；密切关系；同一: He had always had an affinity for wild and lonely places. 他对荒野有一种亲和感。

2 (an) affinity (with sb/sth);(an) affinity (between A and B) a similar quality in two or more people or things 相似之处