精力的英文：
energy

funnel all one's energies into a job
把全部精力集中在工作上

Burn the candle at Both ends; to work hard and late
过度耗费精力

Mrs Thatcher was in sparkling form.
撒切尔夫人精力正旺盛。

I really admire her she's so full of zap!
我真佩服她--精力那麽充沛！

I really admire her she's so full of zip!
我真佩服她--精力那么充沛。

To deprive of virility or spirit;emasculate.
使无男子气使丧失精力或精神;使软弱

Lacking strength or energy; spiritless; weak.
无力的无力或无精力;无精打彩的;虚弱

Wouldn't it be better to concentrate on unmanned flights?
把精力集中于无人飞行是否更好？

Just don't waste any more energy feeling guilty about janice
不过别再白花精力觉得自己对不住贾妮丝了。

He Burns the candle at Both ends so he is always exhausted.
他过度耗费精力所以他总是很累。

disintegration energy
蜕变能

triggering energy
触发能

The energy of motion is called kinetic energy.
运动的能量称为动能。

wind energy potential
风能潜力

Their power and energy began to disappear.
他们的力量和精力不复存在了。