An honest person, steadfast work.

老老实实做人，踏踏实实工作。

youdao

The open and aboveboard personhood, the steadfast work, studies earnestly, joyful life.

堂堂正正做人，踏踏实实工作，认认真真学习，快快乐乐生活。

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

There is an absolute steadfast determination that this command will work.

BBC: Met Police's Sapphire rape units face shake-up

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)