I'll find out and get back to you.

我查明之后再答复你。

《牛津词典》

I'll check out some hotels in that area and get back to you towards the end of the week.

我会查一下那个地区的一些酒店，然后在周末前给你答复。

youdao

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

"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