VERB + TRAITOR | PREPOSITIONVERB + TRAITOR➤turn成為叛徒◇He turned traitor and joined the opposition.他叛變並加入了反對派。➤brand sb as, call sb, denounce sb as, label sb as把叛徒的惡名加給某人;稱某人是叛徒;譴責某人是叛徒;給某人貼上叛徒的標籤PREPOSITION➤traitor to⋯的背叛者◇He is seen as a traitor to the cause.他被認為背叛了事業。