duty

n.

1. 职责
   • The committee carried out the duties entrusted to it.
     委员会履行了赋予它的职责。
2. 义务, 本分
   • I have a duty to perform.
     我有一种义务要尽。
3. 税收
   • New duties will be imposed on wines and spirits.
     酒类要征收新税。