1、in efforts to努力;盡力做
They also announced plans to cooperate in efforts to fight climate change and develop clean forms of energy.
他們也宣布了合作計劃,努力對抗氣候變化并開發清潔能源的方法 。
2、shut down停工;關閉
The aircraft will land safely, and could do so even with the engine shut down.
但不用擔心,飛機仍將安全降落,甚至關閉引擎也能做到安全無比 。