remorse,懊悔，自责，-less,无，没有。

1. the remorseless increase in crime

犯罪的持续增长

来自《权威词典》

2. Unemployment continued its remorseless rise.

失业率持续上升.

来自《简明英汉词典》

3. That remorseless government persisted in its flagitious project ( Robert Southey )

残无人道的政府继续着它无耻的计划 ( 罗伯特索锡 )

来自互联网

4. Within the hardened carapace beats the heart of a remorseless killer.

他坚固的外壳下跳动的是一颗冷血的杀手之心.

来自互联网

5. Within a few years, their country had been taken over by remorseless European settlers.

仅仅几年间, 他们的国家就被毫不留情的欧洲移民者接管了.

来自互联网