I believe that if you know how to make paper cuts, your life will be nice and more colorful.

我相信，如果你知道如何剪纸，你的生活将会很美好，而且更加丰富多彩。

youdao

They're almost as friendly as dogs—if you know how to get on with them.

他们几乎和狗一样友好——如果你知道怎么和他们相处的话。

youdao

If you know how high you are and where you are around, in principle you know where you are on the sphere.

如果你知道你所在的高度和周围的位置，原则上就可以确定你在球面上的位置。

youdao

You really cannot know how much C if any C of the information that comes to you by the grapevine is true or false.

VOA: special.2009.02.22

Cause when you can actually manipulate a computer's memory at this low level, you can steal people's passwords, you can steal their data if you know how that memory is laid out.

因为即使是在这么低的权限下,你也能熟练控制电脑的存储器,你就可以窃取别人的秘密，如果知道相应数据位于哪里的话,你也能窃取别人的数据。

哈佛公开课 - 计算机科学课程节选

If you know how to do it, you can get it for really cheap.

要是你知道怎么做的话，你就可以买到很便宜的票。

实惠的歌舞剧 - SpeakingMax英语口语达人

If you know how busy I am, then why are you taking up my time with unsolicited emails?

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If you know how to use Microsoft Office, it's easy to pick up.

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She said that if you know how to code, you can launch your own website saving you money and time.

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