The door is stuck, I can't open it.

The bags are heavy to carry.

These suitcases are heavy.

It was raining heavily all night long.

Administrative burdens can slow down the work process.

The heaviness of the burden was overwhelming.

Heavy trucks transport goods across the country.

Heavy water is used as a moderator in nuclear reactors.

He is a real oaf in the kitchen.

The clods made a lot of noise during the show.