It's from my boyfriend, if you must know.
倘使你一定要知道的话，这是我男朋友给的。
You must know him—he's an institution around here!
你一定认识他—他是这一带的知名人士！
It scared the hell out of her, if you must know. And me, too.
这把她的魂都吓飞了，如果你一定要知道的话。而且我也被吓坏了。
You must know when to fly or cancel the flight.
你必须知道航班什么时候起飞或取消。
If you must know, I feel terrible.
如果你一定要知道的话，我感觉糟透了。
You must know that we have parents.
你们应当知道，我们是有双亲的人。
你一定非常熟悉北京。
你一定知道他在哪儿。
You must know how to motivate yourself.
你得知道怎样自我激励。
这是你必须了解的。
To reach a destination, you must know it.
为了达到目标，你得知道目标。
But you must know the place to go without.
可是你要知道你要去的地方可能就不是这样的了。
你一定知道。
First, you must know how to write a good test.
首先，您必须了解如何书写一个好的测试。
You must know, of course, how badly I treat you.
当然，你必须知道我对你有多么糟糕。
If it is Linux, you must know UNIX system calls.
如果是Linux，你必须熟悉unix系统调用。
I don't have to tell you; I'm sure you must know.
我无须告诉你；我敢确信你肯定知道。
To debug, first you must know how to compile.
为了进行调试，首先必须知道如何编译？
You must know, in my world, you are the king.
你必需知道，在我的世界，你是我的王。
First you must know to whom you are marketing.
首先你必须知道你在向谁推销自己。
You write a sentence - you must know this yourself.
你写一个句子-你必须知道这个自己。
You must know which side your bread is buttered on.
你必须知道自己的利益所在。
Musashi: So you must know all about this machine!
武藏：那你一定很了解这台机器！
Lily: So you must know a lot about Chinese paper cutting.
那你一定知道很多中国剪纸咯！
Tonight's man in the middle is Lee Probert, if you must know.
如果你一定要知道的话，今天晚上站在中间的那个人叫做李·普罗伯特。
Tonight's man in the middle is Lee Probert, if you must know.
如果你一定要知道的话，今天晚上站在中间的那个人叫做李·普罗伯特。
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