The snowboarder braced herself for several hard drops as the slope became steeper.

During the 19th century, many convicts were sentenced to hard labor in remote work camps.

Though he means well, he's a bit hard of thinking when faced with complex problems.

Determining whether a large graph can be colored with three colors is an NP-hard problem that challenges even advanced algorithms.

Despite his hard-favoured appearance, he had a gentle sense of humor that put everyone at ease.

After decades at sea, the hard-fisted fisherman could haul in heavy nets without breaking a sweat.

The museum's taxidermy exhibit included several hard-bills from the coastal birds.

After the accident, his doctor advised him to stop drinking hard liquor entirely.

Please hard-boil a dozen eggs for the picnic.

The bell-maker selected hard metal for the bell's body, trusting that the alloy's composition — two parts copper to one of tin — would produce the ringing tone and strength he needed.