soothe  
verb [ T ] uk/suːð/ us/suːð/
  (ANGER)      
  使平静,安慰
to make someone feel calm or less worried
  to soothe a crying baby 让哭闹的婴儿安静下来 
   (PAIN)      
 减轻,缓解(疼痛)
to make a part of the body less painful
  I had a long, hot bath to soothe my aching muscles. 我洗了个热水澡,泡了很长时间以缓解肌肉的疼痛。