This may require you to throw in some willing sacrifices, steadfast perseverance, and rolled-up-sleeve hard work.

这可能需要你投入进去，做些牺牲，坚定不移，以及挽起袖子干重活的精神。

youdao

The road of human welfare lies along the old highway of steadfast well-doing; and they who are the most persistent, and work in the truest spirit, will usually be the most successful.

人类幸福之路就是坚定不移沿着做好事的大道前进；那些最坚毅而又最诚挚地工作的人常常是最成功的人。

youdao

If your unit is hired, I will be in his post on the steadfast work, study hard, and with good spirit of hard struggle in the collective to realize your worth.

若被贵单位录用，我将会在自己的岗位上踏实工作，勤奋学习，并以良好的拼搏精神在这个集体中实现自己的价值。

youdao

The United States will be steadfast in defense of our forces, and steadfast in defense of our friends and allies who wish to work together for common security.

NPR: U.S. Makes Overture to Iran on Nuclear Talks

We remain steadfast in our commitment to our customers, and we will work to ensure that they continue to receive the exceptional levels of quality and service they have come to expect from Kodak.

ENGADGET: Kodak to sell the film business that made it so famous (update)

We couldn't do this without the work of the Department of Agriculture, and he has been steadfast in this fight to ensure that children have healthier options in the schools.

WHITEHOUSE: The First Lady Urges Healthy Diet and Exercise