She is a dutiful daughter who always takes care of her parents.

It is our duty to help those in need.

I didn't buy anything at the duty-free shops.

This heavy-duty machine is built to last.

I had to pay a customs duty on the imported goods.

The company decided to relieve him of his duties due to his poor performance.

The police officer is on point duty.

The government increased the death duty on inherited properties.

I was surprised when I received a notice for jury duty, and now I am preparing to fulfill my civic responsibility.

She dutifully followed her parents' instructions.