kötelesség 用英语:

If you don't do your duty, people will look down on you.

He risked his life to carry out his duty and inspired police officers everywhere.

Call of duty

Because we reject the same thing that people of all faiths reject: the killing of innocent men, women, and children. And it is my first duty as President to protect the American people.

However, the duty of a student is to study. So if you neglect the end of term test, that's a "no!".

The police officer on duty sensed an elderly man coming up behind him.

The strongest is never strong enough to always be master, unless he transforms strength into right, and obedience into duty. From there derives the right of the strongest.

The traditional way of learning a language may satisfy at most one's sense of duty, but it can hardly serve as a source of joy. Nor will it likely be successful.

Duty should come before anything else.

We have a duty to adopt this text which, of course, could be further improved.

a moral duty [+ to do sth] Rail companies have a duty to provide safe transport.

It should be noted that the duty continues after a notice of allowance is mailed and the issue fee is paid.

The dignity of man is inviolable. To respect and protect it is the duty of all state authority.

Just because it's a "safe day" I'm not going to make out like monkeys without protection. Isn't it the duty of loving sex to take proper care of contraception?