Kennedy was struck down by an assassin’s bullet.

肯尼迪被刺客的子弹击中而身亡。

He fell a victim to the dagger of an assassin.

他死于刺客的刀下。

The witness gave the police the lowdown on what happened at the party, but when the police arrived at the shelter, the assassinator had absconded.

目击者把有关聚会上发生的实情告诉了警方，但当警到那个刺客隐藏的地方，他早已逃之夭夭了。