duty

It is the duty of every citizen to vote in the national election.

(Chinese) 在全国选举中投票是每个公民的责任。

The guard remained at his post out of a sense of duty.

(Chinese) 警卫出于责任感坚守在岗位上。

You have to pay import duty on electronics bought from abroad.

(Chinese) 从国外购买的电子产品必须缴纳进口关税。

High duties were placed on tobacco to discourage smoking.

(Chinese) 为了减少吸烟，烟草被课以重税。