请勿抄袭的英文

Try not to copy others' homework.

多说无益 说多了也没用

动词：plagiarize名词：plagiarism

copy 就是复制的意思

抄袭 vt. （窃取别人作品当做自已的） plagiarize; copy; 例句1. You copied this work off Paul because you've made exactly the same mistakes.你的作业是从保尔那里抄袭来的， 因为你俩错得 完全一样。2. 我不是建议你抄袭你的竞争对手的方法，但是如果在你的领域里有人成功了的话，那就去找到他们的正确做法，然后照着他们的方法做。I'm not suggesting that you plagiarize your competitors' marketing copy, but whenyou see someone successful in your field, find out what they are doing right, and follow their lead.