Focus on the pronunciation of discipline
English definition of “discipline”
› [U] the practice of making sure that people obey rules and do not cause problems: Personnel rules are used to govern worker conduct and impose discipline on violators. the strict discipline of prison
› [U] (also self-discipline) the ability to make yourself do something, even if it is difficult, so that you can achieve a goal: the discipline to do sth Working for a large firm gave him the confidence and discipline to start his own business. For most people, saving money requires a lot of self-discipline.
› [C] a subject or a particular type of work: Our company actively recruits graduates for a wide range of disciplines including engineering, science, and business.