actual strength，strength ；

latent capacity，potential，potentiality ；

[例句] 这个男孩在上小学的时候就初次显示出成为运动员的潜力。 The boy first showed promise as an athlete in grade school.

[例句] 老板充分意识到她的潜力后，对她关怀备至。 Her boss took her under his wing after fully realizing her potential.

glamour，charm，enchantment，fascination，loveliness ；

[例句] 毫无疑问，这个男人身上透着一种野性魅力。 There was no doubting the animal magnetism of the man.

[例句] 逝去的岁月让他们平添了几分魅力。 It infected them with some of the magic of a lost age.

eyesight，vision，judgment，discrimination ；

[例句] 他很有眼力，慧眼识英才。 He had the insight to recognize their talents.

[例句] 就择夫选婿而论,她的眼力不怎么样. She doesn't rate high as a picker of husbands.

feeble，weak，lacking in strength ；

[例句] 暖风让很多人觉得乏力沮丧。 Warm winds make many people feel enervated and depressed.

[例句] 该国的经济问题很大程度上是因为复苏乏力。 The country's economic problems are largely due to the weakness of the recovery.

strong，powerful，forceful，energetic，pithiness ；

[例句] 他的散文文笔有力、内容庞杂，有时几近晦涩。 His prose is vigorous and dense, occasionally to the point of obscurity.

[例句] “我不同意，”她说道，对自己的声音如此响亮有力而感到惊讶。 "I don'tagree," she said, surprised at the strength in her own voice.

material resources，matériel ；

[例句] 先前所投入的人力物力可能会付诸东流. The resources previously committed might have been committed in vain.

[例句] 你也许要考虑等到你确实有了人力物力再独自采取这一措施. You might consider waiting until you do have resources to do it alone.

[化] friction force ；

[例句] 活塞上涂了一层石墨以减小摩擦力。 The pistons are graphite-coated to reduce friction.

[例句] 润滑油能减小摩擦力. Oil can reduce friction.

the faculty of memory，memory，remembrance，reminiscence，retentivity ；

[例句] 他们在记忆力和空间技能方面势均力敌。 Their strengths in memory and spatial skills matched.

[例句] 他的记忆力变得糟透了。 His memory was becoming shockingly bad.

drag，resisting force，resisting power ；

[例句] 建立了摩擦因数与变形抗力的关系式. The equation of friction coefficient with deformation resistance was derived.

[例句] 介绍了用热模拟实验机测定冷轧变形抗力的测试过程和测试结果. This artical introduces the measuring process and the results by this technology.

immunity ；

[例句] 由于幼虫对药物有免疫力，因此必须经常喷药。 Because of the immunity of the immature insects, it'simportant to spray regularly.

[例句] 成人往往对风疹有免疫力。 Adults are often immune to German measles.

do one's best to，strive to，do one's best，strive ；

[例句] 他们力求把开发周期缩至18个月以下。 They aim to cut production lead times to under 18 months.

[例句] 密探可能会力求败坏反对派的名声。 Agents provocateurs may seek to discredit the opposition.

not do one's best，not exert oneself，fail to apply one's full strength，half-heartedly ；

[例句] 他否认当晚守望不力。 He denied that he'd failed to keep a proper lookout that night.

[例句] 坠机是导航不力的直接后果。 The crash was a direct result of inadequate navigational aids.

（强暴的力量） force，military force，armed might，sword ；

[例句] 他们使用武力把土著居民驱逐出了比较肥沃的土地。 They used force to banish the natives from the more fertile land.

[例句] 我们愿意授权总统在必要的时候使用武力。 We are willing to authorize the president to use force if necessary.

impulsion，thrust，impact [impulse，impulsive] force，impulsive force ；

[例句] 近岸回流的冲力能把游泳的人涌到海里. The pull of the undertow can drag swimmers out to sea.

[例句] 汽车借着本身的冲力滑下山. The car ran down the hill under its own impetus.

（军队实力） military strength，armed forces，troops，numerical strength ；

[例句] 恫吓将迫使他们把兵力铺得更广。 The threat will force greater dispersion of their forces.

[例句] 他侦察敌人兵力薄弱的位置，对其要塞不予理睬。 He probes the enemy's weak positions, ignoring his strongholds.

[农] fertility (of soil) ；

[例句] 传统的刀耕火种农业方式耗尽了土地的肥力。 Traditional slash and burn farming methods have exhausted the soil.

[例句] 为保持土壤肥力,农民搞作物轮作. Farmers rotate their crops so that the soil will remain fertile.

mechanics，[医] mechanics，dynam ；

[例句] 他的想法就是将几何学应用在力学上。 His idea was to apply geometry to dynamics.

[例句] 我不懂力学. Mechanics is out of my territory.

pull，traction，[化] tractive effort ；

[例句] 他现在可以让它穿过他手指间滑动,不会让鱼感到一点儿牵引力. Now he could let it run through his fingers without the fist feeling any tension.

[例句] 被称为 “ 爬行”的表观滑动的大小取决于牵引力. The amount of apparent sliding, known as'creep ', is dependent upon the tractive effort.

strong，vigorous，forceful，powerful ；

[例句] 需要更强有力的行动来迫使联邦军队撤军。 More vigorous action is needed to force the federal army to disengage.

[例句] 希腊依然是世界航运业强有力的竞争者。 The Greeks are still powerful players in world shipping.