1. 不可饶恕的, 不可原谅的：Paradoxical and witty 似非而是的诙谐, 矛盾的妙语, 诡论的机智 | Unforgiving 不可饶恕的, 不可原谅的 | Professionally scientific 专于科学的, 专业从事科学的

2. 不宽恕的：unforgettable 忘不了的 | unforgiving 不宽恕的 | unformat 恢复格式化

3. 公共查询·英语单词大全

3. 不原谅人的：unforgettable 难忘的 | unforgiving 不原谅人的 | unfortified 信念不足的

4. 无情：■Tramp 流浪汉 | ■Unforgiving 无情 | ■Unlucky 倒霉

1. 不宽容的；不原谅人的
    If you describe someone as unforgiving, you mean that they are unwilling to forgive other people.

    e.g. He was an unforgiving man who never forgot a slight...
           他斤斤计较，很不大度。
    e.g. He finds human foibles endearing, but is unforgiving of pretension.
           他觉得人性的弱点很可爱，但不能容忍惺惺作态。

2. （形势或活动）无情的，难以应付的，不利的
    If you describe a situation or activity as unforgiving, you mean that it causes a lot of people to experience great difficulty or failure, even people who deserve to succeed.

    e.g. Business is a competitive activity. It is very fierce and very unforgiving.
           商场如战场，竞争激烈，不近人情。

1. unwilling or unable to forgive or show mercy

    e.g. a surly unforgiving old woman

2. not to be placated or appeased or moved by entreaty

    e.g. grim determination
           grim necessity
           Russia''s final hour, it seemed, approached with inexorable certainty
           relentless persecution
           the stern demands of parenthood

    Synonym: griminexorablerelentlesssternunappeasableunrelenting