constraint

名词 constraint:

1. the state of being physically constrained
   同义词：restraint
2. a device that retards something's motion
   同义词：restraint
3. the act of constraining; the threat or use of force to control the thoughts or behavior of others

1. Soon tired of the constraint of military life.
   很快厌倦了军事生活的约束
2. Not in confinement or under constraint; free.
   自由不受约束的或不受限制的; 自由的

con.straint

n.（名词）
The threat or use of force to prevent, restrict, or dictate the action or thought of others.
强制：使用或威胁使用强制力量来阻拦、限制或命令他人的行动或思想
The state of being restricted or confined within prescribed bounds:
被约束：被限制或约束在规定范围之内的状态：
例句：
soon tired of the constraint of military life.
很快厌倦了军事生活的约束

One that restricts, limits, or regulates; a check:
约束：约束、限制或制约性的事物；抑制物：
例句：
ignored all moral constraints in his pursuit of success.
在他追求成功的过程中忽略了一切道德约束

Embarrassed reserve or reticence; awkwardness:
拘束：局促不安的拘谨或沉默；窘迫：
例句：
.All constraint had vanished between the two, and they began to talk.(Edith Wharton)
.两人之间的拘束感都消失了，他们开始交谈起来.(伊迪丝·华顿)

来源：
Middle English constreinte
中古英语 constreinte
from Old French [from feminine past participle of] constraindre * see constrain
源自 古法语 [] 源自constraindre的阴性过去分词 *参见 constrain