Ambassador Neumann says the Western nations have painted the Afghan leader into a corner with relentless criticism of his administration's conduct.

VOA: standard.2009.11.17

There is a relentless seeking sense that's at the heart of this work.

这项任务的要害是去不断地寻找。

耶鲁公开课 - 1945年后的美国小说课程节选

Alexander chronicles those experiences in his book,"52 Loaves: One Man's Relentless Pursuit of Truth, Meaning and a Perfect Crust."

VOA: standard.2010.07.16

He was a relentless journalist and a commanding press secretary.

FORBES: Magazine Article

After a while it doesn't matter, since the action is as repetitive as it is relentless, a succession of fights and frantic chases accompanied by those drums that have come to define the genre pacemakers for heartless thrillers.

WSJ: Total Recall | Celeste and Jesse Forever | Send This 'Recall' Back to the Factory | Film Review by Joe Morgenstern

Combining shrewd political instincts, a relentless drive to cut costs and a little Irish charm, he's put phones into the hands of 7 million people in seven years.

FORBES: Babble Rouser