Someone's well-being is their health and happiness.
例句
Singing can create a sense of wellbeing...唱歌能够给人一种心旷神怡的感觉。His work emphasised the emotional as well as the physical well-being of children.他的工作不仅重视孩子们的身体健康,同时也关注他们的情感健康。
英英词典释义
Noun
1. a contented state of being happy and healthy and prosperous;
"the town was finally on the upbeat after our recent troubles"