残酷的，不留情的，无怜悯心的 continuously cruel or fierce;merciless
句型例句
用作定语
▲ ～+n.
She hated the relentless man.她恨那个无情的男人。 I know him to be nothing but a man of pleasure, a dandy who has given himself up to the relentless pursuit of sensual pleasure.我知道他是一个放荡的人，一个不顾一切、死心塌地地追求情欲之欢的花花公子。