im·plac·a·ble
adjective/ɪmˈplækəbl/
/ɪmˈplækəbl/
- (of strong negative opinions or feelings) that cannot be changed
无法改变的；不可更改的 - implacable hatred
难以化解的仇恨
- implacable hatred
- (of a person) unwilling to stop opposing somebody/something
不愿和解的；不饶人的 - an implacable enemy
死敌 - She remained implacable (= she would not change her feelings and opinions).
她仍然不屈不挠（=她不会改变自己的感受和观点）。
- an implacable enemy
Word Originlate Middle English: from Latin implacabilis, from in- ‘not’ + placabilis (from placare ‘appease’).