character-building       
 adjective uk/ˈkær.ək.təˌbɪl.dɪŋ/ us/ˈker.ək.tɚˌbɪl.dɪŋ/ (also mainly UK character-forming, /ˈkær.ək.təˌfɔː.mɪŋ/ /ˈker.ək.tɚˌfɔːr.mɪŋ/)
 锤炼性情的,塑造性格的,培养品格的
helping to make someone emotionally stronger, more independent, and better at dealing with problems
  He grew up on a farm, with a strong emphasis on character-building chores. 他在一个农场长大,做过很多有助锤炼性情的杂务。 
 It might be character-building for him to explore the world and strike out on his own. 对他来说,探索世界并开创自己的事业可能有助于性格塑造。 
 Adversity isn't always character-forming. 逆境并非总能锤炼性情。 
 - More examples
 - I spent a long time working in restaurants and making no money. It was very character-building.
 - The report says youths should be taught a variety of character-building skills, such as having self-respect and respect for others.
 - Rugby is popular in working-class Wales, but is also the preferred character-building sport of the English upper class.
 - It was the start of a grim but character-forming exile.
 - I will always have fond memories of the character-forming period I spent working alongside him.
 
character-building       
noun [ U ] uk/ˈkær.ək.təˌbɪl.dɪŋ/ us/ˈker.ək.tɚˌbɪl.dɪŋ/
 锤炼性情,塑造性格,培养品格
the process of becoming emotionally stronger, more independent, and better at dealing with problems
  He ran a course in character-building and leadership. 他开设了一门培养品格和领导能力的课程。 
 - More examples
 - The boys were sent to a Chilean wilderness to learn initiative, teamwork and character-building.
 - The student was constantly making an effort to help himself, and that effort was of immense value in character-building.
 - Franklin devised a plan of self-improvement and character-building.