名詞 serf:

1. (Middle Ages) a person who is bound to the land and owned by the feudal lord
   同義詞：helot, villein

1. Born as a free person, not as a slave or serf.
   生來(lái)自由的天生是自由人，而不是奴隸或家奴的
2. Many serfs were forced to work hard.
   許多農(nóng)奴被迫拼命工作。
3. The serfs were liberated after abolishing serfdom.
   廢除農(nóng)奴制度后，農(nóng)奴們獲得了解放。