查询词典 You never know.

If you have never met a peeper, you should know that he is a tree frog, no bigger than a minute, maybe three-quarters of an inch, brownish popeyed.

如果你从未见过雨蛙，也该知道它是一种树蛙。

As a cyber forensics, we have to search for evidence, it is necessary to start from the computer log. Perhaps you never not know how powerful isthe log in your computer and www.(Google in the snigger at this time). You try on Google for some words.

身为网络侦探，电子侦探，我们要搜索证据，就要从历史记录下手，电脑网络里的历史记录多强大你也许不懂（google大哥这时在暗笑，微软大哥也别想逃走）你上谷歌打个字，发出去。

"Because she leaves you to snivel, and never wipes your nose: she has not even taught you to know the shepherd from the sheep."

"那是因为她任你鼻涕并流，还不让你揩去鼻涕：她未曾教会你明白牧羊人先得有其羊的道理。"

But I want you to know that I'd never soberly hurt you or your family.

但我要你知道我在清醒时绝不会伤害你或你的家人

Sophia:But you'll never know if you don't make the effort.

苏菲雅：你不努力看看，你就永远不会知道。

If you never speak up, people will not know how you feel.

如果不把想法说出来，大家不会知道你是怎么想的。

You know, you never really hear this talked about much, but spontaneous combustion?

你知道，很少有人谈论这种事情。

She'd stare at you for hours,and you'd never know why.

她可以瞪着你几个小时，而你永远不知道为什么。

Still waters run so deep, you may never know the full extent of your Scorpio's love for you.

蝎子很少表露感情，所谓静水流深，或许你永远不会知道蝎子到底有多爱你。

If you never tasted the flavor of failure, you probably wouldn't know the sweetness of success.

如果你未曾尝过失败的滋味，你可能不会知道成功的甜美。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。