1. 敌对的;不赞成的
    If you are hostile to another person or an idea, you disagree with them or disapprove of them, often showing this in your behaviour.

hostile什么意思

    e.g. Many people felt he would be hostile to the idea of foreign intervention...
           很多人觉得他会反对外国干预的主意。
    e.g. The West has gradually relaxed its hostile attitude to this influential state...
           西方对这个颇具影响力的国家的敌视态度已逐渐缓和。

2. 怀有敌意的;不友善的
    Someone who is hostile is unfriendly and aggressive.

hostile的意思

    e.g. Drinking may make a person feel relaxed and happy, or it may make her hostile, violent, or depressed...
           喝酒可能让人感到放松和愉快，也可能让人变得不友善、暴力或阴郁。
    e.g. The prisoner eyed him in hostile silence.
           犯人一言不发，用充满敌意的目光打量着他。

3. （情况、形势等）不利的，恶劣的，造成阻碍的
    Hostile situations and conditions make it difficult for you to achieve something.

    e.g. ...some of the most hostile climatic conditions in the world...
           世界上最恶劣的几种气候条件
    e.g. If this round of talks fails, the world's trading environment is likely to become increasingly hostile.
           如果这一轮谈判破裂了，世界贸易环境可能会变得越来越糟糕。

4. （收购）恶意的，不受（被购公司）欢迎的
    A hostile takeover bid is one that is opposed by the company that is being bid for.

    e.g. Kingfisher launched a hostile bid for Dixons.
           翠丰集团对迪克森公司展开了恶意竞购。

5. （战争中）敌方的，敌人的
    In a war, you use hostile to describe your enemy's forces, organizations, weapons, land, and activities.

    e.g. The city is encircled by a hostile army...
           该市被敌军包围了。
    e.g. They were in hostile territory.
           他们在敌方领土上。