He was clutching a knuckle duster in his hand.

My grandmother is suffering from osteoporosis.

The mischievous child messed up the neighborhood flower bed.

He is good at playing the electric guitar.

This tree has a lot of galls.

I made a small robot with my new 3D printer.

The Third International was a historically important organization.

He started a business without a plan, forgetting the lesson of 'peach and chestnut seeds take three years to bear fruit, persimmons eight years.'

I enjoyed sandboarding at the sandboarding dome.

This shape is called a gyrobifastigium.