Hang in there and you never know what is achievable.

坚持下去，你永远无法知道会有什么样的收获。

《柯林斯英汉双解大词典》

I just miss you and you never know it!

我只是想你但你却永远都不知道！

youdao

And you never know, they just might change your life.

你永远都不知道，或许他们会改变你的生活。

youdao

"I'm just doing what I know and I'm doing what you taught me." "I never taught you to be a thief."

VOA: standard.2010.07.16

and because... you know, never before have we seen this level of interconnectedness

这种水平的互联性是我们之前从未想过的，

关于全球化 - SpeakingMax英语口语达人

Now we will never know, and don't let anyone ever suggest to you that you will ever know, what Milton could possibly mean by this deliberately perplexing image of the two-handed engine at the door.

我们永远不会知道,弥尔顿在这句描写门边的双手引擎的,刻意的意象叠加里想要表达什么。

耶鲁公开课 - 弥尔顿课程节选

"It's crazy, you leave your kids, your family, and you never know when you're coming back, " the sister-in-law said.

WSJ: Nine Injured Bystanders Are Expected to Survive

And you never know, their country specific advice might even help you to become the next Jobs, Narayana Murthy or Zuckerberg.

FORBES: Starting And Growing a Business - The Entrepreneur's Global Guide

I'm only four back - a good round and you never know.

BBC: Westwood eyes final Masters push