它看起来和我的琴一模一样，挺鼓舞人心的，因为这让我知道我的琴也能发出这样优美的音色，也许有一天，我也能演奏出那么好听的乐曲。

It looked exactly like mine, which is inspiring in a way knowing my violin could also produce beautiful tones, that maybe I would sound that good someday.

youdao

我感谢我还活着；这让我知道我还有活下去的目的。

I am thankful that I am alive; it helps me know I have a purpose.

youdao

Pre没有进行任何警告，这让我知道一切顺利，不用再担心航班。

No alerts from Pre, so I know everything is fine and I will make my flight.

youdao

I know it's boring, but we need to do it so you know what the ground rules are.

我知道这很无聊，不过为了让你们了解规则,我们必须得做这个。

麻省理工公开课 - 计算机科学及编程导论课程节选

I don't know if you can see, probably not, what's written on here, so let me point out to you a few things.

我不知道大家是否知道，这很可能不是其中的一种，那么让我来为大家指出一些事实。

麻省理工公开课 - 化学原理课程节选

I know table salt is white, but that is because you have power and you have multiple surfaces scattering, but a large crystal of sodium chloride is clear and colorless.

我知道食用盐是白色的，但这是因为你让它成了粉末,因为有了多个散射面，但是一个大的氯化钠晶体,是无色透明的。

麻省理工公开课 - 固态化学导论课程节选