恐い言葉 – A scary word
生きたまま苦しませることです – Make him suffer while keeping him alive, Torture him without killing him.
例えば、悪の組織があったとします – For example, if there was a criminal organization
しかし裏切り者が出たので – there was someone who betrayed the organization
そいつを手下たちがロープで縛って捕まえてきました – The underlings/followers tied up that person with a rope
そのときにボスが、手下たちにむかって「そいつは生殺しにして地獄を味わわせてやれ」っていう – The boss told his underlings/followers, “torture the person without killing him so he knows what hell feels like.”