1.对某人有意思：have a crush on someone

[注]crush做名词讲为“迷恋”，have a crush on someone表示对某人有很大的好感，很强烈的感情，也可以指暗恋

eg: I have a crush on you.
    我特别喜欢你！

2.暗恋：be infatuated with
[注]迷恋、痴迷，尤指对某人产生强烈的短暂的情感

eg: He was infatuated with her.
他完全被她迷住了。

3.如胶似漆：honey and bee
[注] 字面意思：“蜂蜜和蜜蜂”，由此可见关系有多亲密

eg:They are together like honey and bee.
他们如胶似漆。