strength

power, force, strength

这组名词都有力量的意思。
power: 指身体上、精神上或心理上的力量, 不管是表现出来的还是潜在的。

• it's beyond his power.
  这是他力所不及的。

force: 指运用或发挥出来的力量，可以克服阻力，使人或物按要求方向运动。

• he did it with a great force.
  他用了很大的力才把它做完了。

strength: 指内部固有的力量，表示物质力量时，着重体格或构造健全、完善等方面的力量, 如体力强度等；表示精神力量时, 指持久、坚定、无畏、坚韧等。

• the strength to lift something
  举起某物的力。

名词 strength:

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
   同义词：military capability, military strength, military posture, posture
3. physical energy or intensity
   同义词：force, forcefulness
4. an asset of special worth or utility
   同义词：forte, strong suit, long suit, metier, specialty, speciality, strong point
5. the power to induce the taking of a course of action or the embracing of a point of view by means of argument or entreaty
   同义词：persuasiveness
6. the amount of energy transmitted (as by acoustic or electromagnetic radiation)
   同义词：intensity, intensity level
7. capacity to produce strong physiological or chemical effects
   同义词：potency, effectiveness
8. the condition of financial success
9. permanence by virtue of the power to resist stress or force
   同义词：lastingness, durability, enduringness

1. Union is strength.
   [谚]团结就是力量。
2. I have hardly enough strength left to move my feet.
   我连移动双脚的力气都几乎没有了。