"untiring work" is a usable phrase in written English.
You can use it to express that someone has completed a task or project without becoming exhausted or giving up. For example: "John's untiring work on the project was impressive, and the results clearly show it."
To the CECs Animal Facility personnel for their untiring work.
Witch burnings, heresy trials, and the untiring work of the Inquisition shaped Europe, and these ideas extended into American history and took on American modes, from the breaking of slaves to the censuring of critics of Operation Iraqi Freedom.
"Only his care," he wrote during the Seven Years' War, "his untiring work, his scrupulously just policies, his great and admirable thriftiness and the strict discipline he introduced into the army which he himself had created, made possible the achievements I have so far accomplished".
His untiring work ethic was one of his most powerful assets: this was a man who took no break or time off during the five decades or so of his active political career, which stood him in good stead when compared with the generally more relaxed pace of most of his lieutenants and associates.
This situation has been largely rectified for his astrological writings, surely the most important part of his corpus, due to the untiring work of Shlomo Sela.
Who would have guessed that a little girl, helped by UNICEF after the Second World War, whose transcendent beauty entertained millions, and whose untiring work and caring heart would help millions of children to survive and thrive in the world?
Being a bona fide subway whiz kid also involves untiring field work.
Authors thank the data collectors too for their untiring field work.
To him it entailed obligations to be met only by untiring and conscientious work.
In the field, Dr. Ripley was an untiring worker.
"Whatever advances American manufacturing has made in the last 30 to 40 years," Mr. Drucker said, "we owe to Joe Juran and to his untiring, steady, patient, self-effacing work".
