名詞 hostile:

1. troops belonging to the enemy's military forces

形容詞 hostile:

1. characterized by enmity or ill will
2. not belonging to your own country's forces or those of an ally
3. very unfriendly
4. impossible to bring into friendly accord
5. very unfavorable to life or growth
   同義詞：uncongenial, unfriendly
6. marked by features that oppose constructive treatment or development
7. unsolicited and resisted by the management of the target company ( used of attempts to buy or take control of a business)

1. I don't like her manner -- she's very hostile.
   我不喜歡她的態(tài)度--待人如仇敵。
2. I don't know why she is hostile to me.
   我不知道她為什么對我抱有敵意。
3. Let's hope they will refrain from hostile actions.
   希望他們不采取敵對行動。
4. Inclined or eager to fight; hostile or aggressive.
   好戰(zhàn)的傾向于或渴望戰(zhàn)斗的; 敵對的或愛尋釁的
5. One that is hostile or aggressive, especially one that is engaged in war.
   交戰(zhàn)者敵對的或愛尋釁的人或一方，尤指參與戰(zhàn)爭者
6. He shielded me from hostile criticism.
   他庇護(hù)我使我免受懷敵意的批評。
7. The new government was hostile to them.
   新政府對他們懷有敵意。

hos.tile

adj.（形容詞）
Of, relating to, or characteristic of an enemy:
敵方的，敵對的：敵人的，與敵人有關(guān)的，敵對性質(zhì)的：
例句：
hostile forces; hostile acts.
敵對力量；敵對行動

Feeling or showing enmity or ill will; antagonistic:
敵意的：懷有敵意或惡意的，顯示敵意或惡意的：
例句：
a hostile remark.
充滿敵意的話

Unfavorable to health or well-being; inhospitable or adverse:
不利的：不利于健康或幸福的；不適宜的或有害的：
例句：
a hostile climate.
惡劣氣候

n.（名詞）
An antagonistic person or thing.
敵對者，敵對物
An enemy in warfare.
敵方：戰(zhàn)爭中的敵人

來源：
Latin hostolis
拉丁語 hostolis
from hostis [enemy] * see ghos-ti-
源自 hostis [敵人] *參見 ghos-ti-

【引伸】
hos.tilely
adv.（副詞）