What is happiness to you

m6u2  what is happiness to you?
reading
1.the search for happiness
   1) 名词in search of/ in one’s search for搜寻
   2) 动词 vt. search sb./sp.（for sth） 搜身，搜查某地   vi. search for 寻找
   the policeman _searched___ the thief and found several mobile phones.
   to my delight, most of you agree to search  _for happiness in study.
  they __searched___ all the room ___for__ the missing papers.
  these birds fly south __in__ ____search___ __of__winter sun every year.
= these birds fly south __in__ their __ __search___ __for__winter sun every year.
2. happiness means achieving success in something, such as meeting a goal,
1）目的，目标            achieve/reach/realize/meet one’s goal ___________