workhorse
🇺🇸
/ˈwɜːrkhɔːrs/
🇬🇧
/ˈwɜːkhɔːs/
A reliable person or machine that consistently does hard or boring work.
The old tractor was the workhorse of the farm, always ready to plow the fields.
老拖拉机是农场的主力,总是准备好耕田。