1. The city is being sundered by racial tension. 该城市因民族关系紧张而正在分裂。
2. 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。
3. Of last year's sundered tune! 发出去年分别时的曲调!
4. The boat was sundered by the rock. 船被岩石撞碎了。
5. 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。)