讲解文本：

be big fan of 是某人/某事物的狂热粉丝
I am a big fan of Wuyifan(kris).
我是吴亦凡的狂热粉丝。

be crazy about 着迷于，狂热爱好
Jack is crazy about video games.
Jack特别喜欢玩电子游戏。

be into something 对某事很有兴趣
Marry is very into music.
Marry对音乐特别感兴趣。
She is kind of into you.
她有点喜欢你哦。

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