Definition: to become less or to make something less Level: C1
锻炼和健康饮食减少患心脏病的几率。
Exercise and a healthy diet ___lessen the chance of heart disease.
加强腿部力量能减轻膝盖的压力。
Strengthen the legs and it ___lessens the strain on the knees.
我相信您会减轻我们的失望。
I am sure that you will ___lessen our disappointment.
