n.封臣，家臣(中世纪为国王或其他权贵效忠的受封者)，附庸国，属国
adj.陪臣的；隶属的；效忠的；奴隶的

原形：vassal复数：vassals

The vassal state pledged allegiance to the powerful empire.
附庸国向强大的帝国宣誓效忠。
He was appointed as the vassal of the king, responsible for managing the local affairs.
他被任命为国王的封臣，负责管理地方事务。
The medieval lord granted lands to his loyal vassals in return for their military service.
中世纪领主将土地赐予忠诚的封臣，以换取他们的军事支持。
After the defeat, the defeated kingdom became a vassal state of the victorious one.
战败后，战败国变成了胜利者的附庸国。
The vassals were expected to follow their liege lord's every command without question.
封臣必须无条件服从领主的所有命令。
The vassal knights fought bravely in the battles, defending their lord's honor.
封臣骑士英勇作战，保卫领主的荣誉。
The vassal lord held a grand feast to celebrate his newly acquired territories.
附庸领主举行盛大的宴会庆祝新获得的领土。
The vassal was relieved of his duties when he failed to meet the lord's expectations.
当封臣未能达到领主的期望时，他的职务被解除。
The feudal system saw lords and vassals bound together by a complex web of obligations and rights.
封建制度中，领主和封臣之间存在着复杂的义务和权利关系。
In times of crisis, vassals often rallied around their lord, offering support and resources.
在危机时刻，封臣通常会团结在领主周围，提供支持和资源。