controversially發音contro- 反、相對+vers 轉+-ial 形容詞+-ly 副詞→轉向相反一方地展開收合contro-字首反、相對vers字根轉-ial字尾形容詞-ly字尾副詞字面：轉向相反一方地雙方意見相對、互相對立 → 有爭議地、引發爭議地。副詞1有爭議地、引發爭議地The city controversially decided to demolish the old market building.市政府決定拆除舊市場大樓，此舉引發爭議。2有爭議的是、引起爭議的是用於句首Controversially, the coach left his best player on the bench.引起爭議的是，教練讓最強的球員坐冷板凳。