V-ERG
加倍；加强
If you redouble your efforts, you try much harder to achieve something. If something redoubles, it increases in volume or intensity.
例句
The president also called on nations to redouble their efforts to negotiate an international trade agreement...
总统还呼吁各国就签订国际贸易协定加倍努力进行磋商。
The applause redoubled.
掌声加倍热烈。