/ˈwɜːkɪŋˈaʊt/ – noun
Definition: việc tính toán, việc rèn luyện, việc vạch ra (kế hoạch).
A more thorough explanation: “Working-out” is a legal term that refers to the process of resolving or settling a legal matter, such as a dispute or a contract, through negotiation, mediation, or other means of reaching an agreement outside of court.
Example: The working-out of the contract terms took several weeks of negotiation between the parties involved.