relentlessly
US
UK relentlessly adv: (without stopping)
SC 不屈不挠地 bù qū bù náo de
SC 坚韧不拔地 bù qū bù náo de，jiān rèn bù bá de
SC 坚持不懈地 bù qū bù náo de，jiān chí bú xiè de
The boy ran for miles relentlessly.
relentlessly adv: (in a gruelling way)
SC 无情地 wú qíng de
TC 無情地
TC 無情地
SC 残酷地 wú qíng de，cán kù de
TC 殘酷地
TC 殘酷地
The journalist relentlessly attacked the politician.