bumpkin
🇺🇸
/ˈbʌmpkɪn/
🇬🇧
/ˈbʌmpkɪn/
A person who is unsophisticated and often naive, especially one living in the country.
The city slicker was amused by the naivety of the bumpkin.
城市精明人被乡下人的天真所逗乐。