1. He was constantly persecuted by his implacable enemies.
    他一再遭到死敌的迫害。

1. implacable

1. 不缓和的, 不安静的：mating member 配合件 | implacable 不缓和的, 不安静的 | nixey [美俚] no not at all

2. 不缓和的：implacability 不缓和 | implacable 不缓和的 | implacably 无法和解地

3. 战斗中有机会一击必杀：#16.Impact:戰鬥中打落敵人正在始用的武器 | #17.Strong arm:使用鎚類等重武器時強化傷害 | #18.Implacable:戰鬥中有機會一擊必殺

1. 不能安抚的;无法平息的;毫不妥协的
    If you say that someone is implacable, you mean that they have very strong feelings of hostility or disapproval which nobody can change.

    e.g. ...the threat of invasion by a ruthless and implacable enemy...
           残暴无情的敌人发出的侵略威胁
    e.g. The move has won the implacable opposition of many economists.
           该提案遭到了许多经济学家的坚决反对。

1. incapable of being placated

    e.g. an implacable enemy