nhiệm vụ in English:

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?

They explored the desert in quest of buried treasure.

Four heroes set out on a quest to find a lost ring.

the quest for happiness/knowledge/truth

the quest for a reliable vaccine

Nothing will ​stop them in ​their quest for ​truth.

in my quest to becoming a millionaire

The quest of the truth, quest for power

You'll never give up the quest for the truth, will you?

A long and difficult search for something: A quest for the meaning of life. She went to India on a spiritual quest.

The game is made up of lots of different quests.

We’ll continue our quest in space.

Gulliver traveled in quest of adventure.

Those books which have made a lasting contribution to man's quest for truth, we call great books.

Abu al-Husayn ibn al-Rawandi, already in the ninth century, held that reason is man's exclusive guide to truth, a quest in which revelation is of no help.

My robot will prepare meals, clean, wash dishes, and perform other household tasks.

His tasks range from digging wells to getting rid of garbage.

We have difficult tasks to perform

What are my tasks?

TEPCO is looking for "jumpers", workers who will jump into highly radioactive sections of the plant to quickly perform tasks before running out as fast as possible.

He avoids all troublesome tasks.

I like to use frameworks when I program because they save me time on repetitive tasks.

The boss allotted tasks to his men.

This robot was useful for accomplishing many tasks.

It is more time-efficient to do several tasks sequentially than attempt to do them simultaneously.

Did you do your tasks?

She gave her too many tasks

tasks to do

There WERE three tasks.

He who starts ten tasks won't finish a single one.