I think the trouble will clear up in a couple of days.

我想几天内麻烦就会消除。

《柯林斯英汉双解大词典》

Is it ok if I bring that one by in a couple of days?

我过几天再把那样东西带来可以吗？

youdao

I'll come again in a couple of days.

我过两天再来。

《新英汉大辞典》

You can't say quite as much if you've only been in France for a couple of days before coming back, but still you can say something relevant.

如果你只是去法国待了几天就回来的话,的确没有多少可说的,但是你仍然可以说出一些相关的东西

耶鲁公开课 - 死亡课程节选

My bike was in the shop a couple of days ago,

我的自行车是几天前买的，

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We released the video and it went viral with 250, 000 views in a couple of days.

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And, in a couple of days I will be a dad so that's not bad is it?

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Then the vendor is excused and has to wait for a verdict, given usually in a couple of days.

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