every (last) ounce of courage/energy/strength etcALL/EVERYTHINGall the courage, energy etc that you have (最后剩下的)全部勇气/精力/力量等 Every ounce of attention was focused on our common goal. 我们把全部的精力集中于共同的目标上。
every (last) ounce of courage/energy/strength etc• It had taken every ounce of courage she possessed to board the aircraft after her last experience.
→ every (last) ounce of courage/energy/strength etc at ounce(2)