It's nothing to worry about—just a simple headache.

不用担心—只是有点儿头痛。

《牛津词典》

There was nothing to worry about. It was just her imagination working overtime.

没什么可担心的。那只是她的想象力太丰富了。

《牛津词典》

After his examination, he said, "Nothing to worry about."

在考试结束后，他说：“没什么可担心的。”

youdao

"It's definitely a relief to us who lives in here because of what's happening, when everything is over we will be able to go back to Haiti without worry, with knowing OK, without nothing bad happening, we'll feel like we're safe over there and then come again back to America safely."

VOA: special.2010.02.01

The master had commanded his servants, of course, to do something - to show a profit in a due and timely fashion, but Milton wants his friend here to know that there's, of course, nothing to worry about.

主人要求他的仆人，适时的,展示出自己的利润，弥尔顿希望，他的朋友知道。

耶鲁公开课 - 弥尔顿课程节选

But if most people who are good borrowers, who know what they're doing, want these, they want a conventional thirty-year mortgage because it will fix a mortgage payment for the rest of the thirty years and you have nothing to worry about.

但是如果大多数人是优质借款人,他们知道自己在做什么,他们会选择普通30年期抵押贷款,因为在剩余的30年时间里,抵押贷款的偿付是固定的,你不需要为它担心

耶鲁公开课 - 金融市场课程节选

As far as the two generals are concerned, they may conclude there's nothing to worry about.

BBC: What can David Petraeus teach the Pentagon?

"Train announcement: " As you can hear, there's an alarm sounding, but there's nothing to worry about.

BBC: I'm on a train: the Welsh secretary tweets home

It really is simple: if you're a genuine academic institution - you have nothing to worry about.

BBC: In full: David Cameron immigration speech