/ˈpɛti keɪs/ – Phrase
Definition: vụ án không nghiêm trọng.
A more thorough explanation: A petty case refers to a minor legal matter or a case involving a small claim or offense that is considered to be of little significance or importance in the legal system.
Example: In the legal world, a petty case may refer to a minor offense such as a petty theft or a petty vandalism charge.