adj.不能改变的，不愿和解的，不饶人的

The implacable enemy continued to pursue our troops relentlessly.
无情的敌人继续毫不留情地追击我们的军队。
His implacable hatred for injustice made him an unwavering advocate for change.
他对不公的深仇大恨使他成为变革坚定不移的支持者。
She faced her opponent with an implacable determination, refusing to back down.
她面对对手时坚如磐石，绝不退缩。
The implacable law of nature never shows mercy.
自然法则从不怜悯，冷酷无情。
Her implacable resolve to achieve her goals was what set her apart from the rest.
她坚定不移地追求目标，这是她与众不同的地方。
The implacable winter storm left the region in a state of emergency.
那场无情的冬季风暴将该地区置于紧急状态。
Despite his defeat, the defeated boxer maintained an implacable spirit.
虽然战败，但这位拳手仍保持着不屈的精神。
The implacable dictator crushed any opposition without mercy.
这位铁腕独裁者对反对派毫不留情地镇压。
His implacable loyalty to his family was a source of strength for them all.
他对家人的坚定不移的忠诚是他们力量的源泉。
The scientist's implacable pursuit of knowledge led to groundbreaking discoveries.
这位科学家对知识的不懈追求带来了突破性的发现。