Word · CEFR C1 · Frequency #2988
constraint
限制；约束
核心释义
A limitation or restriction that prevents something from being done or achieved.
- 1.
约束之物；限制。
Something that constrains; a restriction.
- 2.
身体被限制的状态
the state of being physically constrained
- 3.
不可抗拒的力量或强制。
An irresistible force or compulsion.
- 4.
减缓某物运动的装置
a device that retards something's motion
- 5.
抑制自己的情感。
The repression of one's feelings.
- 6.
限制的行为；通过威胁或使用武力来控制他人思想或行为
the act of constraining; the threat or use of force to control the thoughts or behavior of others
- 7.
优化问题的解必须满足的条件。
A condition that a solution to an optimization problem must satisfy.
- 8.
维护数据库完整性的关联或其他约束。
A linkage or other restriction that maintains database integrity.
强制；胁迫；束缚；禁锢；强制力；冲动；压抑；克制；制动器；限制装置
用法In use
The project must be completed within a tight time constraint.
用法提示：这里constraint作为名词，表示时间上的限制或约束。
Budget constraints forced the company to delay the new product launch.
用法提示：使用了复数形式constraints，表示财务上的约束。
One major constraint on the design is the limited space available.
用法提示：constraint后接介词on，表示对某方面的限制。
constraint on sth
There are strict constraints on immigration.
对移民有严格的限制。
under constraint
相关词与表达Connections
搭配Collocations
- constraint on
- 对……的限制
- There is a constraint on the number of participants.参与人数有限制。
- under constraint
- 受限制
- They acted under constraint.他们是在受限制的情况下行动的。
- impose a constraint
- 施加限制
- The new regulations impose a constraint on our activities.新规定对我们的活动施加了限制。
- financial constraint
- 财务限制
- Financial constraints forced them to cancel the project.财务限制迫使他们取消了项目。
- time constraint
学习提示Learner notes
记忆技巧Memory Tip
想象一根绳子（strain）把大家（con）捆在一起，形成约束。
语境与语域Context & Register
[object Object]
发音与拼写Pronunciation & Spelling
All listed words share the same final stressed vowel and consonant sounds /eɪnt/ as constraint. Beware of lookalikes like 'mountain' which is pronounced /ˈmaʊntɪn/ and does not rhyme.
用法优先级Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.