strife:

n. 冲突；争吵；不和

We want harmony and friendship, not conflict and strife.

我们希望和平与友谊，而非冲突与纷争。

No one dares to reconcile this strife.

谁都不敢来调和这场争吵。

What are the prospects for overcoming the strife between the two groups?

解决这两个集团之间的冲突的前景如何？

Racial strife is tearing our country apart.

种族冲突把我们国家搞得四分五裂。

conflict:

n. 冲突，矛盾；斗争；争执

vi. 冲突，抵触；争执；战斗

This multinational couple can handle conflicts of different cultures very well.

这对跨国情侣能够很好地处理不同文化的冲突。