1.knock down 消除;撞倒
例句:He died in hospital after being knocked down by a car.
他被车撞倒后死在了医院。
2.served as 担任
例句:The regime served as a crucible for the forging of right-wing ideas and values.
该政权成为右翼思想和右翼价值观形成的熔炉。
3.aimed at 针对
例句:The government rushed through legislation aimed at Mafia leaders.
政府匆忙通过了针对黑手党首领的立法。
4.security adviser 安全顾问
例句:Deputy National Security Adviser Ben Rhodes briefed reporters on the meeting.
美国副国家安全顾问本.罗兹在这次会议上对记者发布了这一消息。