compel, force, constrain, oblige

power, force, strength

• it's beyond his power.
  這是他力所不及的。

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

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

名詞 force:

1. a unit that is part of some military service
   同義詞：military unit, military force, military group
2. one possessing or exercising power or influence or authority
   同義詞：power
3. (physics) the influence that produces a change in a physical quantity
4. group of people willing to obey orders
   同義詞：personnel
5. a powerful effect or influence
6. an act of aggression (as one against a person who resists)
   同義詞：violence
7. physical energy or intensity
   同義詞：forcefulness, strength
8. a group of people having the power of effective action
9. (of a law) having legal validity
   同義詞：effect
10. a putout of a base runner who is required to run; the putout is accomplished by holding the ball while touching the base to which the runner must advance before the runner reaches that base
    同義詞：force out, force-out, force play

動詞 force:

1. to cause to do through pressure or necessity, by physical, moral or intellectual means :"She forced him to take a job in the city"
   同義詞：coerce, hale, squeeze, pressure
2. urge or force (a person) to an action; constrain or motivate
   同義詞：impel
3. move with force, "He pushed the table into a corner"
   同義詞：push
4. impose or thrust urgently, importunately, or inexorably
   同義詞：thrust
5. squeeze like a wedge into a tight space
   同義詞：wedge, squeeze
6. force into or from an action or state, either physically or metaphorically
   同義詞：drive, ram
7. do forcibly; exert force
8. cause to move by pulling
   同義詞：pull, draw
9. take by force
   同義詞：storm

1. The force of his fall was broken by the straw mats.
   草墊的緩沖作用減弱了他下跌的力量。
2. The rider forced his horse on through the storm.
   騎士迫使他的馬在暴風(fēng)雨中前進。
3. The force of the explosion broke all the windows in the building.
   爆炸的力量震碎了這座建筑上的所有窗戶。

force

n.（名詞）
The capacity to do work or cause physical change; energy, strength, or active power:
力量：做某事或引起物質(zhì)變化的能力；力量、力氣或充沛的力量：
例句：
the force of an explosion.
爆炸的威力

Power made operative against resistance; exertion:
用力：用來反對抵御的力量；用力：
例句：
use force in driving a nail.
用力砸釘子

The use of physical power or violence to compel or restrain:
武力，暴力：用體力或暴力來強迫或抵制：
例句：
a confession obtained by force.
武力下的供認(rèn)

Intellectual power or vigor, especially as conveyed in writing or speech.
智力，活力：智慧的力量或精力，尤其指文章或演說所傳達(dá)的
Moral strength.
道德力量
A capacity for affecting the mind or behavior; efficacy:
說服力，有效力：影響思想或行為的力量；有效力：
例句：
the force of logical argumentation.
邏輯論證的力量

One that possesses such capacity:
具有這種力量的人或物：
例句：
the forces of evil.
惡勢力

A body of persons or other resources organized or available for a certain purpose:
隊，組，人員：因某一目的而調(diào)動起來人的身體或其它的資源：
例句：
a large labor force.
龐大的勞動大軍

A person or group capable of influential action:
舉足輕重的人：能施加重大影響的一個人或一組：
例句：
a retired senator who is still a force in national politics.
已退休但仍在國家政治事務(wù)中舉足輕重的議員

Military strength.
軍事力量
The entire military strength, as of a nation.
兵力：整個軍事力量，如一個國家
Units of a nation`s military personnel, especially those deployed into combat:
軍隊：國家軍事人員的單位，指應(yīng)征參戰(zhàn)者：
例句：
Our forces have at last engaged the enemy.
我們的軍隊最終戰(zhàn)勝了敵人

Law Legal validity.
【法律】 法律效力
Physics A vector quantity that tends to produce an acceleration of a body in the direction of its application.
【物理學(xué)】 力：一個矢量，它可使受力物體沿力的方向產(chǎn)生加速度
v.tr.（及物動詞）
forced,forc.ing,forc.es
To compel through pressure or necessity:
強迫：通過壓力或需迫使：
例句：
I forced myself to practice daily. He was forced to take a second job.
我強迫自己每天練習(xí)。他被迫要找第二份工作

To gain by the use of force or coercion:
逼迫：通過武力或壓迫的使用而獲得：
例句：
force a confession.
逼供

To move or effect against resistance or inertia:
強行，硬：反對抵制或慣性地運動或影響：
例句：
forced my foot into the shoe.
將腳硬塞入鞋中

To inflict or impose relentlessly:
強加：無情地折磨或強加：
例句：
He forced his ideas upon the group.
他把自己的意見強加給別人

To put undue strain on:
施加過分的壓力：
例句：
She forced her voice despite being hoarse.
盡管嗓子已啞，她仍使勁提高嗓音

To increase or accelerate (a pace, for example) to the maximum.
竭力提高或加快：增加或加快（如步伐）至最大限度
To produce with effort and against one`s will:
被迫做：努力和違背本人意愿地做：
例句：
force a laugh in spite of pain.
盡管疼痛但強作笑容

To use (language) with obvious lack of ease and naturalness.
不熟練和不自然地使用（語言）

To move, open, or clear by force:
強行：用力移動、打開或清掃：
例句：
forced our way through the crowd.
強行穿過人群

To break down or open by force:
用力擊垮或打開：
例句：
force a lock.
撬開鎖

To rape.
強奸
Botany To cause to grow or mature by artificially accelerating normal processes.
【植物學(xué)】 促成早熟：通過人工加速的正常進程來促進生長
Baseball
【棒球】
To put (a runner) out on a force play.
封殺：有力的一擊使跑壘員出壘
To allow (a run) to be scored by walking a batter when the bases are loaded.
強迫取分：當(dāng)壘已滿時通過跑壘員跑壘而允許（跑回本壘）得分
Games To cause an opponent to play (a particular card).
【游戲】 迫使對手出（特定的牌）

<習(xí)慣用語>force (someone`s) hand
To force to act or speak prematurely or unwillingly.
迫使倉促行動：迫使某人在條件未成熟或不情愿的情況下行動或發(fā)言
in force
In full strength; in large numbers:
大批：大批的；大量的：
例句：
Demonstrators were out in force.
大批示威者上街

In effect; operative:
有效的；操作性的：
例句：
a rule that is no longer in force.
不再有效的規(guī)則

來源：
Middle English
中古英語
from Old French
源自 古法語
from Medieval Latin fortia
源自 中世紀(jì)拉丁語 fortia
from neuter pl. of Latin fortis [strong] * see bhergh- 2
源自 拉丁語 fortis的中性復(fù)數(shù) [強壯的] *參見 bhergh- 2

【引伸】
force.able
adj.（形容詞）
forc.er
n.（名詞）
<參考詞匯><同義詞>force,compel,coerce,constrain,oblige,obligateThese verbs mean to cause a person or thing to follow a prescribed or dictated course.
這些動詞表示使某人或某物沿規(guī)定的或指定的過程進行。
Force, the most general,usually implies the exertion of strength,especially physical power,or the operation of circumstances that permit no alternative to compliance:
Force 最為普遍，通常指力量的使用，尤其是體力上，或指不允許任何替代屈從的環(huán)境的進行：
例句：
Tear gas forced the fugitives out of their hiding place.
催淚彈氣體將逃犯從藏身之處嗆了出來。

例句：
Lack of funds will eventually force him to look for work.
資金缺乏最終將會迫使他找工作。

Compel is often interchangeable withforce, but it applies especially to an act dictated by one in authority:
Compel 常與force 交換使用， 但它尤其用在權(quán)威人士命令的行為中：
例句：
Say nothing unless you`re compelled to.
除非強迫你，否則什么也別說。

例句：
His playing compels respect, if not enthusiasm.
如果不是狂熱的話，他的表演就是強迫他人予以敬重。

Coerce invariably implies the use of strength or harsh measures in securing compliance:
Coerce 總是指使用武力或粗暴手段來脅迫服從：
例句：
.The way in which the man of genius rules is by persuading an efficient minority to coerce an indifferent and self-indulgent majority. (James Fitzjames Stephen).
.這個天才的管理方式是說服高效率地少數(shù)人來強制那些冷漠的、自我放縱的多數(shù)人.。 （詹姆斯·菲次詹姆斯·斯蒂芬）。

Constrain suggests that one is bound to a course of action by physical or moral means or by the operation of compelling circumstances:
Constrain 指某人受體力或道德約束或被所處環(huán)境脅迫必須作某事：
例句：
.I am your anointed Queen. I will never be by violence constrained to do anything. (Elizabeth I).
.我是你們尊貴的女王。我決不因被脅迫而做任何事情. （伊麗莎白一世）。

Oblige is applicable when compliance is brought about by the operation of authority, necessity, or moral or ethical considerations:
Oblige 適用于出于權(quán)力、需要、道德或倫理的考慮而被迫屈從：
例句：
.Work consists of whatever a body is obliged to do. (Mark Twain).
.無論什么樣的工作都必須 要做. （馬克·吐溫）。

Obligate applies when force is exerted by the terms of a legal contract or promise or by the dictates of one`s conscience or sense of propriety:
Obligate 適用于在法律合約或承諾或某人受正當(dāng)?shù)牧夹幕蛄贾闹湎率┘訅毫ψ龅模?
例句：
I am obligated to repay the loan. See also Synonyms at strength
我必須還清貸款 參見同義詞 strength