You don't represent as your own work the work of anyone else, and you don't use aids to memory other than those permitted by the examiner.

你不能把别人的作业当做自己的交给我,你不能使用任何记忆的工具,除了考官允许的。

麻省理工公开课 - 固态化学导论课程节选

Instead say, "No, I don't mind." if you want to give permission.

如果你想表达对某事的允许，你一般会说，“不，我不介意。”

Do you mind 课堂 - SpeakingMax英语口语达人

You say "Let me" to say "Please, allow me.", "Please allow me to do this."

你用“Let me”来表达“请允许我”，“请允许我做这件事。”，

Let me 课堂 - SpeakingMax英语口语达人