To constrain someone or something means to limit their development or force them to behave in a particular way.
例句
Women are too often constrained by family commitments and by low expectations...女性往往受到家庭責任和低期望值的束縛。How can we produce top-class engineers when universities are constrained to offer salaries that can only attract mediocre staff?...大學的財力有限，提供的薪酬僅能吸引水平一般的教師，在這種情況下，我們如何能培養出一流的工程師？
PHRASE
覺得被迫(做某事)
If you feel constrained to do something, you feel that you must do it, even though you would prefer not to.
例句
For some reason he felt constrained to lower his voice.不知怎么的，他覺得自己必須得壓低聲音。