energy 用于人时，指工作时焕发出的精力或干劲。
force 着重指克服障碍，推动人或物朝所要求的方向运动或能产生明显效应的力量。
power 最普通用词，泛指一切力量或能力等。
might 多指巨大或超人的力量。
strength 指机体内部的能力，是依靠身体组织而存在的力，经使用就变为force。
vigour 指由生命元气的存在所产生的活力、精力。
参考例句
1. Is a strong strength of the company. 是一家具有雄厚实力的公司。
2. You are daughter of mercy, daughter of strength. 伱是仁慈的女儿。伱是力量的女儿。
3. Functions:Helps to improve leg strength and balance. 功能：帮助提高腿部力量和平衡性。
英英解释
n.
1. the property of being physically or mentally strong
2. capability in terms of personnel and materiel that affect the capacity to fight a war
3. physical energy or intensity
4. an asset of special worth or utility
5. the power to induce the taking of a course of action or the embracing of a point of view by means of
6. the amount of energy transmitted (as by acoustic or electromagnetic radiation)
7. capacity to produce strong physiological or chemical effects
8. the condition of financial success
9. permanence by virtue of the power to resist stress or force
