constrain

英 [kənˈstreɪn]

美 [kənˈstreɪn]

v. 强迫; 强制; 迫使; 限制; 限定; 约束

过去分词：constrained　现在分词：constraining　第三人称单数：constrains　过去式：constrained　

Collins.1 / BNC.5685 / COCA.7740

牛津词典

verb

强迫；强制；迫使
to force sb to do sth or behave in a particular way
1. The evidence was so compelling that he felt constrained to accept it.
  证据是那样的令人折服，他觉得不得不接受。
限制；限定；约束
to restrict or limit sb/sth
1. Research has been constrained by a lack of funds.
  研究工作因经费不足而受限制。
2. She felt constrained from continuing by the threat of losing her job.
  由于受到失去工作的威胁，她感到很难再坚持下去。

VERB 约束;限制;强迫
Toconstrainsomeone or something means to limit their development or force them to behave in a particular way.
1. Women are too often constrained by family commitments and by low expectations...
  女性往往受到家庭责任和低期望值的束缚。
2. How can we produce top-class engineers when universities are constrained to offer salaries that can only attract mediocre staff?...
  大学的财力有限，提供的薪酬仅能吸引水平一般的教师，在这种情况下，我们如何能培养出一流的工程师？
3. It's the capacity of those roads which is going to constrain the amount of travel by car that can take place.
  制约驾车出行量的将会是那些道路的通行能力。
PHRASE 觉得被迫(做某事)
If youfeel constrained todo something, you feel that you must do it, even though you would prefer not to.
1. For some reason he felt constrained to lower his voice.
  不知怎么的，他觉得自己必须得压低声音。

verb

restrict
1. Tighten the rules
2. stiffen the regulations
Synonym:stiffentightentighten up
hold back
Synonym:restrainencumbercumber