You will never know if you do not try.

不去尝试，就永远不会了解这些。

youdao

Without taking action, you will never know.

不行动，你永远都不会知道结果是什么。

youdao

You will never know what you're good at until you try.

你将永远不会知道自己所擅长的，除非你亲自尝试过了。

youdao

just 'cause you will never know what you're going to get.

就因为你永远也不知道在那里会有什么。

圣莫妮卡和洛杉矶 - 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

You know, it's, it's the type of thing where the university will never admit that that's happened.

你知道，大学从来不会承认这种事发生。

不平等的赞助入学 - SpeakingMax英语口语达人

"You will never know if it will be better to continue, " says Mr. Vaccari.

WSJ: Start-Ups Get Snapped Up for Their Talent

You will never know what can work better unless you try different things out.

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Listening, I think, You will never know how much I understand you.

NEWYORKER: Ask Me If I Care