该词自14世纪末见于英语，源自古法语 constreinte，意为“束缚、限制或义务”，并与拉丁语 constringere（“紧紧捆住”）有关。
对可能范围的限制
noun
planning
neutral
限制可做之事，或使某项活动必须处于固定条件之内的因素。
示例
- Budget constraints forced us to reduce the scope.预算限制迫使我们缩小了范围。
- Is time the main constraint on the project?时间是这个项目的主要制约条件吗？
- The design works within strict safety constraints.这一设计符合严格的安全限制。
- Water scarcity places a serious constraint on farming.水资源短缺严重制约农业发展。
- We found a solution despite the technical constraints.尽管存在技术限制，我们还是找到了解决办法。
相似词
restriction
limitation
restraint
curb
hindrance
boundary
被迫或不自然的拘束
noun
social
formal
正式控制、压力或不自在感，使行为显得勉强而不自然。
示例
- She spoke with obvious constraint in front of the officials.她在官员面前说话时显得十分拘束。
- The interview felt stiff and full of constraint.这次采访很僵硬，充满了拘束感。
- He signed the statement under constraint.他在强迫之下签署了声明。
- Without social constraint, their conversation became warmer.少了社会约束，他们的谈话变得更亲切。
- Her smile showed the constraint she was trying to hide.她的笑容流露出试图掩饰的拘束。
相似词
restraint
inhibition
awkwardness
self-consciousness
coercion