01 be fond of

它的英文释义是：

to feel affection for sb, especially sb you have known for a long time爱慕某人，尤其是认识已久的某人。指喜爱（尤指认识已久的人）

这算是属于日久生情吧。

例：

I've always been very fond of my deskmate since we met in the classroom.

自从我们在教室里认识以来，我一直很喜欢我的同桌。

02 adore sb.

英文释义是：to love sb very much指热爱、爱慕：

例：

It's obvious that he adores you so much.

很明显，他非常喜欢你。

03 care for someone

to love sb, especially in a way that is based on strong affection or a feeling of wanting to protect them, rather than sex

爱某人，尤指以强烈的感情或想要保护他们的感觉为基础，而不是性。

指深深地爱、非常喜欢。

例：

Tom cared for Lily more than she realized.

Lily不知道Tom是多么在乎她。

04 dig someone

To like (romantically or otherwise), understand, or approve of someone.

喜欢(浪漫的或其他的)，理解或赞同某人。

例：

①- OK, you understand what I told you?

- Yes, I dig you man.

-好吧，你明白我说的吗？

-是的，我了解你，伙计。

②I'm gonna have a date with Lily, and I really dig her.

我要和莉莉约会，我真的喜欢她。