【俚语】

Have a thing for someone
对某人有强烈好感

【例句】

I had a thing for one of my teachers when I was in college.
我在大学时候，很喜欢我的一位老师。

Have a crush on someone
短暂地迷恋某人

【例句】

I had a crush on one of my teachers when I was in college.
我在大学时迷恋过我的一位老师。

Have a thing about sth.
对某事有强烈的喜欢或讨厌

【例句】

She's got a thing about spiders - she won't go near them.
她特别讨厌蜘蛛，不愿靠近。

Make a big thing out of
小题大做

【例句】

We had a little kiss, so what? I don't know why you're making such a big thing of it.
我们接了个小吻，那又怎么样？我不知道你为什么如此小题大做。

The thing is...
问题是

【例句】

I’m sorry I didn’t call you. The thing is, I’ve been really busy lately.
对不起，我没有给你打电话。问题是，我最近真的很忙。