vt.强迫；限制
I felt constrained to do what he told me. 做他叫我做的事,我心里很不舒服。
She tried to constrain herself from a cough in class. 上课时她竭力忍住不咳嗽。
Cold weather constrains the plant's growth. 寒冷的天气抑制了植物的生长。
Don't constrain yourself only to class study. 不要把自己的学习只局限于课堂。
The police used horses to constrain the crowd from violence. 警察骑着马阻止那群人诉诸暴力。
