你不许犯法。

You are not to break the law.

Source: Tatoeba

Sentence Composition

=1 你 nǐ you (informal, as opposed to courteous 您 nín)
=1 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
2 不许 bùxǔ
  1. not to allow
  2. must not
  3. can't
3 犯法 fànfǎ to break the law