Hostility is unfriendly or aggressive behaviour towards people or ideas.
The last decade has witnessed a serious rise in the levels of racism and hostility to black and ethnic groups.
过去的10年里,种族主义及对黑人和少数民族的敌意变得更加严重了。
Your hostility to something you do not approve of is your opposition to it.
There is hostility among traditionalists to this method of teaching history.
传统主义者中有人反对这种教授历史的方法。