1. turned back 往回走;阻擋
He turned back to his work.
他回去繼續工作
。2. shut down 關閉
The computer system will be shut down over the weekend.
計算機系統周末關閉
。3. presidential run-off 總統大選
A run-off presidential election on November 8th turned sour well before results were announced.
11月8日的一場決勝選舉在宣告結果之前就已然變味
。4. ruled out 排除;否決;取消
The proposed solution was ruled out as too expensive.
建議的解決方案被認為花錢太多而遭否決
。