查询词典 know one's stuff

I know that leaves are false because I know that is my little granddaughter leaves painting!

我知道那个树叶是假的，因为我知道那个树叶是我小孙女画的！

Miles: I don't know, Um, it's a hard grape to grow, as you know, right?

我也不知道，它是一种很难种的葡萄，你知道吗？

Miles:I don't know, Um, it's a hard grape to grow, as you know, right?

我也不知道，这是一种很难种的葡萄，你也知道。

My feeling tells me that it is so grate to know you ,to know the little world

一直以来，我都感叹于她的才情，她的学问，她的严谨的治学态度

They don't even know what it is after time, they think he is a monkey, or you know, a gremlin or something.

过后他们还不知道看到的是什么动物，他们以为是一只猴子，或者，嗯。。。一只小鬼或别的什么东西。

I don't know about you, but if you're feeling the groove, you know what you gotta do?

我不认识你，但若你感到快活，你知道你要做什么？

I hold my breath, because I don't know what you want: if you want to grope me in full sight of everyone, you know I won't stop you.

我屏住呼吸，因为我不知道你想要什么：如果你想在众目睽睽下探索我的全部，你知道我不会阻止你。

And now you know everything there is to know about Growl threat!

现在你知道你所能知道的低吼威胁值的一切了！

You know, the voice sort of comes up as part of the character, and then the growl comes with it, you know?

你知道，声音好像是人物的一部分，然后用它咆哮，你知道？

I just want to give you a little briefing on guerrilla warfare because, before you know it, before you know it.

因为我仅仅想给你一点在游击战中的简报，在你知道之前，在你知道之前。

Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.

目的 研究体外受精(in vitro fertilization，IVF)中精子形态、顶体反应与卵子受精率之间的关系，分析精子各参数在IVF受精率方面的参考意义。

A: I hear Mr. White wants to run for the Presidency!

我听说怀特先生要参加总统竞选！