controversyKK [ˋkɑntrəˏvɝsi] /ˈkɑntɹəˌvɝsi/發音contro- 反、相對+vers 轉+-y 名詞→轉向相反的一方展開收合contro-字首反、相對vers字根轉-y字尾名詞字面：轉向相反的一方雙方意見相對、互相對立 → 爭議、爭論名詞1爭議、爭論The new immigration policy has caused considerable controversy this year.新的移民政策在今年引發了不小的爭議。2論戰、筆戰正式The controversy between the two scientists lasted nearly ten years.這兩位科學家之間的論戰持續了將近十年。