A2 adjective /ˈtʃɪə.fəl/
Cheerful
愉快的; 乐观的; 充满喜悦
Meaning
happy and optimistic; full of joy and good spirits; bright and lively
Example
She has a cheerful personality that brightens everyone's day.
她有一个愉快的个性,照亮了每个人的日子。