The city is being sundered by racial tension.

该城市因民族关系紧张而正在分裂。

Police moved in to separate the two groups, already sundered by distrust.

警方介入将已分裂又互不信任的两组人隔离开。

Of last year's sundered tune!

发出去年分别时的曲调！

The boat was sundered by the rock.

船被岩石撞碎了。

Anxiety about the vulnerability of oilfields sundered the region into American and Soviet camps, and the cold war's end brought the briefest respites.

阿拉伯人担心油田易受攻击，纷纷加入美苏两大阵营，冷战结束后的缓解也转瞬即逝。 （拆成短句稍好点，lz再斟酌。）

During the cold war, anxiety about the vulnerability of oilfields sundered the region into American and Soviet camps, and the cold war's end brought the briefest of respites.

冷战期间，对油田脆弱性的焦虑使得该地区被分别划入美苏阵营之中，而冷战结束带来的缓解也转瞬即逝。

Not willing to remain passive as the Yuuzhan Vong murdered civilians and sundered entire worlds, Kyp insisted the Jedi take a stance and bring the fight back to the aggressors.

因为不愿眼睁睁看着遇战疯人杀害平民和撕裂整个星球，基普坚持认为绝地应该采取积极姿态对入侵者进行还击。

A short time later, the two sundered routers would reconnect and send out their own BGP updates, upon which attack traffic would start flowing in again, causing them to disconnect once more.

短时间以后，两个被隔离的路由器会重新连接并发去其自己的边界网关协议更新信息，一旦攻击再开始，其会使它们再次断开。