wait in the wings

• 时刻准备着

wait in the wings的用法和样例：

例句

1. Be ready to take up the cudgels for a just cause.
   时刻准备着保卫正义事业。
2. They were expecting each moment to see in the distance some indication of the enemy.
   他们时刻准备着发现远方敌人的迹象。