1.take place 举行

例句：When does the wedding come off [take place]?

什么时候举行婚礼?

2.shoot-out 枪战

例句：A federal marshal was killed in a shoot-out.

枪战中一名联邦警察局局长身亡。

3.Law enforcement 执法

例句：We need to restore respect for the law enforcement agencies.

我们需要重建对于执法机关的尊重。

4.up for grabs 竞购

例句：The famous Ritz hotel is up for grabs for 100m pounds.

著名的里兹饭店开价1亿英镑供各方竞购。