unable to be placated 难平息的,不能缓和的,不饶恕的,不宽容的 he was an implacable enemy of Ted's. 他是特德的死敌。 ■relentless; unstoppable 无情的;不可阻挡的 the implacable advance of the enemy. 敌人势不可挡的前进。
派生 implacability noun implacably adverb 语源
late Middle English: from Latin implacabilis, from in- 'not' + placabilis (see placable)