Great powers should be careful about starting, but once they start they should be relentless and implacable about winning."

VOA: standard.2010.07.30

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

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

It is the ultimate mark of criminality and cowardice to condemn women to relentless and systematic rape.

VOA: standard.2009.07.11

Aid groups say 23 million people face starvation in East Africa because of a relentless drought some scientists say may be a result of climate change.

VOA: standard.2009.11.04

The relentless criticism forced the government to send Foreign Minister Shah Mehmood Qureshi to Washington this week to convey the concerns to the sponsors of the multi-billion-dollar aid package.

VOA: standard.2009.10.16