(a) not reducing in intensity, etc; continuous; relentless （强度等）未降低的; 持续的; 不间断的
*unrelenting pressure 持续的压力.
(b) (of a person) merciless; unwilling to relent（指人）冷酷的, 不愿宽容的
*a cruel and unrelenting master 残酷无情的主人.
an unpleasant situation that is unrelenting continues for a long time without stopping
the unrelenting pressures of the job
continuing to do something in a determined way without thinking about anyone else's feelings
an unrelenting opponent
1. She carried on an unrelenting search for the ideal servant to the end of her days, 她却继续毫不放松地寻找称心的仆人，一直到她死去。
2. She carried on an unrelenting search for the ideal servant to the end of her days, even after she had been sadly disillusioned by Bessie. 另一方面她又持之以恒地寻找一个理想的佣人。即使在贝西大大地伤她的心之后，她还在找，一直到她死去。