self-discipline
noun /ˌself ˈdɪsəplɪn/
  /ˌself ˈdɪsəplɪn/
[uncountable]- the ability to make yourself do something, especially something difficult or unpleasant自律能力;自我约束能力 - It takes a lot of self-discipline to go jogging in winter.在冬天跑步是需要很大的自律力的。 
 
- It takes a lot of self-discipline to go jogging in winter.