Some degrees have even been withdrawn after a school later found that a student had plagiarized.

VOA: special.2009.04.16

And you plagiarized, you just didn't know that you plagiarized it.

你抄袭了，你只是不知道你在抄袭罢了。

抄袭是很严重的问题 - SpeakingMax英语口语达人

just making sure that things are not plagiarized.

只是为了确保没有抄袭。

对于抄袭的想法 - SpeakingMax英语口语达人