1.Gun violence 枪支暴力

The Million Mom March was a rally on Sunday May 14, 2000. It was also a movement to stop gun violence.
“百万母亲大游行”是一场发生在2000年5月14日礼拜日的集会，也是一场叫停枪械暴力的运动v_pt4v+GmV67。

2.press conference 新闻发布会

This afternoon the Palestinians held an impromptu press conference.
今天下午巴勒斯坦方面临时召开了记者招待会XOb@Z)T~KHBjN6jW8D。

3.financial crisis 金融危机

This financial crisis had a much greater impact on Main Street.
这次金融危机对老百姓的影响更为深远1#A4fuKB7Q。

4.knocked out 喝醉；神志不清；淘汰

She's knocked out two seeded players.
她淘汰了两名种子选手^tc|b]&^Swt0P;e。