hard work

noun
  1. A great deal of effort or endurance; laborious or strenuous activity aimed at achieving a particular goal. noun
    Success in any field requires a lot of hard work and dedication.
    The garden looks beautiful now, but it took a lot of hard work to get it this way.
  2. The quality of being diligent and industrious; the characteristic of putting in a significant amount of effort consistently. noun
    Her hard work and perseverance earned her a promotion.
    He is known for his hard work and commitment to his job.