是啊，我不知道怎么了，但最近我好像真的开始很迷恋他。

Yes. I don't know what happened, but I began to feel attracted to him lately.

youdao

我不知道怎么了，也不知道为什么我们没有进展，我不在乎。

I don't know what happened or why we stopped. I don't even care.

youdao

我的世界失去了色彩，好无聊的人生啊，有时候真的很郁闷啊，不知道怎么了。

My world has lost color, good ah boring life, sometimes it is really very depressing ah, I do not know how the.

youdao

The Elder Brother is issuing this theory without any consideration, - obviously, whatsoever of earthly reality and we're shocked by -- I don't know how else to put it.

大哥没有经过任何思考就提出了这个理论，显然，尘世间的任何事实都让我们震惊了-,我不知道怎么去说。

耶鲁公开课 - 弥尔顿课程节选

And you've asked several people on the street . "I just can't get there! I don't know where I'm going!" and

你在街边向几个行人问路。“我没法找到目的地了，我不知道该怎么走！”

How long课堂 - SpeakingMax英语口语达人

Unfortunately, knowing what the clean version--knowing what the word is means to me the clean version is not very clean.

很遗憾,在知道了和谐版的歌词之后,我发现和谐版也不怎么和谐

耶鲁公开课 - 心理学导论课程节选