duty

That which one is morally or legally obligated to do.

Қалай қолдану керек

The word 'duty' is commonly used in formal and professional contexts, such as business, law, and government. A notable grammatical nuance is that 'duty' is often used with the preposition 'to' (e.g., 'a duty to serve one's country'), and learners should be cautious not to confuse it with 'responsibility', which can be used more broadly. In everyday conversation, 'duty' tends to connote a sense of obligation or moral imperative.