to become tighter and narrower, or to make something become tighter and narrower

He hated wearing a tie - he felt it constricted his breathing. 他讨厌戴领带——觉得它勒得人呼吸困难。

When you're dancing, you don't want to wear anything that constricts your movements. 跳舞时不宜穿使舞姿舒展不开的衣服。

The drug causes the blood vessels to constrict. 这种药会使血管收缩。

to limit an action or behaviour

Too many rules had constricted her lifestyle. 太多的清规戒律限制了她的生活方式。