just checking

在口语中咱们常会讲“没啥,我只是随口问问而已.”这个?婵谖饰省痹谟⑽睦锞褪荍ust checking。

A:Honey, where did you buy this skirt?

亲爱的，你的裙子在哪里买的？

B:In the market. Any problem?

在商场啊，有啥疑问吗？

A:Nothing. I am just

checking.

没事。我就是问问。

just wondering/curious

只是有点猎奇；只是想晓得，问一下

I was just wondering.

我就是问一下。

by the way

趁便说一下 非正式书写可以直接简写“BTW”

By the way, it was really thoughtful of you to get me the ticket.

趁便说一句，你可真细心为我弄到了这张票。

just kidding

Oh, I, I’m Sorry. I’m just kidding.

哦，抱愧。我是开玩笑的。

just in case

But just in case, I took steps.

但以防如果，我走楼梯。