坚守 (jiān shǒu): ยึดมั่นใน

Even though his family urged him to switch to a better-paying job, he still chose to hold fast to his ideals and stayed to teach at that rural elementary school.

When the flood came, the firefighters held their position on the levee for three days and nights until all the villagers had been safely evacuated.

Old Zhang worked at a small bookstore for forty years. No matter how slow business got, he held fast to the shop, because it was the only legacy his father had left him.

The doctor told her she needed bed rest, but she still held fast in the lab, wanting to finish the experiment before the conference.