To be punctual one has to have self-discipline, and the lack of it affects others.
守时需要自律，而缺乏自律就会影响到他人。
Exercising at home alone requires a tremendous amount of self-discipline.
自己在家锻炼需要很强的自我约束能力。
A school boy or girl is unpunctual because he or she does not have the necessary human virtue of self-discipline.
一个男学生或女学生不守时是因为他或她不具备自律性这种必要的人类美德。
Do you have good time management skills, good self-discipline?
你善于管理时间，自律性很强么？
一森有你
