I'll find out and get back to you.

我查明之后再答复你。

《牛津词典》

I have to discuss your application with my colleagues and we'll get back to you early next week.

我得和我的同事讨论一下你的申请，我们下周初给你答复。

youdao

We'll get back to you as soon as possible.

我们将尽快再跟你联系。

《柯林斯英汉双解大词典》

"Let me get back to you on that. Oh,oh,oh -- in college, the boyfriend who absolutely forgot Valentine's Day.

VOA: special.2010.02.08

I would think that it would approach inifinity, and I would need to think about it and get back to you in terms of why we don't actually hit it and see something with an infinite wavelength.

我会认为波长会接近无穷大，而且我需要考虑一下,然后返回来告诉你,为什么我们没有说对,为什么我们没有看到,无穷大波长的东西。

麻省理工公开课 - 化学原理课程节选

It's just a placeholder that says I don't yet know what I wanna put here but I wanna put something, let me get back to you in just a moment.

它只是一个占位符，告诉电脑,我想在这放一个东西，但是暂时还不知道放什么东西，我先打断一下。

哈佛公开课 - 计算机科学课程节选

Be sure to include a email to reply to so i can get back to you.

FORBES: Bed Bugs In Taxis?! New Bed Bug Report (Summer Camps and Hospitals, Too)

I'd have to check on the PlayStation -- we can get back to you on that.

ENGADGET: The Engadget Interview: Peter Dille, Sony Computer Entertainment's SVP of Marketing

We will get back to you with announcements of other meetings as they happen.

WHITEHOUSE: Press Briefing