know A from B, distingish A from B, (stop|prevent|keep|ban|prohibit) A from B
refer to A as B, think of A as B, divide A into B
prefer A to B, attribute A to B
provide A with B, compare A with B
remind A of B, deprive A of B
base A on B, focus A on B
The goal is not only to prevent collusion by hostile witnesses, it is also to prevent witnesses from influencing each other. 그 목적은 적대적인 목격자들에 의한 공모를 예방하는 것일 뿐만 아니라, 목격자들이 서로에게 영향을 미치는 것을 막기 위해서이기도 하다. [1862-29-5]