/ɪmˈpɜːrfɪkt ˌɒblɪˈɡeɪʃən/ – Phrase
Definition: nghĩa vụ khó thực hiện về mặt pháp lý.
A more throughout explanation: An imperfect obligation refers to a moral or ethical duty that is not legally enforceable. It is an obligation that is based on principles of fairness, justice, or equity, rather than on a specific legal requirement. In legal terms, an imperfect obligation does not give rise to a cause of action in court for breach of contract or other legal remedies.
Example: The party had an imperfect obligation to provide notice of any changes to the contract terms within a reasonable time frame.